What are Radians? | Radian (Unit of Plane Angle) | Infinity Learn

[@InfinityLearn_NEET]

Do you know, who is the inventor of Radian angle measurement unit? Let us know in the comments section!! To learn more about Trigonometry, enroll in our full course now - infinitylearn.com/cbse-fullcourse?KZbinDME&PYLJ-s5II&Comment To watch more Geometry videos, click here - bit.ly/MiddleSchoolGeometry

[@lincybiju9969]

It was an english mathematician Roger Cotesin

[@artcurious807]

that leftover .28 is very annoying

[@larrydickenson8922]

What’s actually annoying is that it isn’t really .28 as pi is an irrational number and cannot be precisely expressed.

[@nystagmus]

if there were teachers who actually explained things on this level, i would have enjoyed it.

[@sahajleenkaur7786]

Very true 👍

[@RuanHuysen]

They cant because they are driven insane by school politics, disrespectful kids, horrible parents, overwhelming workloads, unnecessary paperwork and terrible pay in many places.

[@joshwa6569]

True

[@jeenshijovarghese6615]

Oooo

[@lioness9123]

See this video on KZbin-(examination in life never give up mufti menk by merciful servant)

[@machobunny1]

All of this was "explained" to me when I was in the 10th grade. I didn't get it. Explanation lacked something. Then it was explained again in College. I memorized something that got me thru. Then it was explained again by a VERY GOOD math treacher in Grad School. I remembered only what I had previously memorized and got thru with no "picture" in my mind to match what I was doing. This, for the first time in 50 years, makes it utterly clear. Thankfully, I no longer use math everyday in my work...but it will be nice to die knowing that one more mystery has been removed. THANK YOU.

[@jurosmilkovich1427]

me too.

[@franciscojosedossantos9350]

...EXCELENT....I COMPLETLY AGREE....I 'M FROM BRAZIL..

[@ghostfrom1950]

Someone's using the internet appropriately; cheers mate *thumbs up* :D

[@leventy11]

I concur!?

[@saifbouafam8529]

The same thing with me. In my mind there are two different values of pi, one value is 3.14 which is used to calculate circumference and surface of the circle, and the second used to determine angles.

[@mamtapuri7297]

why is this channel so underrated? you guys are doing some certainly worth things... keep it up you are helping a lot of 11th grade PCM students like me..

[@dr_davinci]

having 2.19 M subs is not underrated at all !!

[@Thanu1285]

its never underrated!!

[@PenandPaperScience]

Reading this comment about a channel with 2M subs, while having 680 subs myself! :')

[@Thank-u-so-much-for-everything]

Amazing teacher they are!

[@jessemogeni5101]

How did you do?

[@aarjavpatni6392]

Mathematics is a subject that shouldn't involve memorization but logically sound arguments. Your videos are truly amazing and you live up to the name of your channel. After watching your videos, indeed there's nothing to memorize but remember everything naturally by understanding the concept in depth, with utmost clarity. THANK YOU!

[@audreydaleski1067]

U have to memorize or flip open a book every ten seconds. Convert spherical terms to

[@ABC-uf9gk]

very poor English

[@harshithgowni1528]

I joined a new school with a completely different kind of teaching and my physics teacher automatically assumed that I knew what a radian was when I really didn't. Thank you so much Don'tMemorise.

[@subashpooja1701]

Thank you madam

[@paulfrost8952]

That’s such a same when teachers do that I’ve had the same issue with a teacher.

[@riteshkumarmoud5241]

Khan academy and Dont memorise.. Channels like you increases my interest in subjects.. Thank you..

[@InfinityLearn_NEET]

You're welcome! Happy Learning :)

[@MugsverBrandes]

yeah its true

[@condomchakroborty4792]

Only Don't memorise

[@morjithmattapalli9531]

And 3 blue 1 brown also

[@taibaemaan1808]

Can you paste link of Khan academy, can't find it

[@StewartCoad]

You are very rare person, very few people explain things as clearly as you do, thank you !!!

[@InfinityLearn_NEET]

I'm glad to hear that. Please subscribe and press the bell icon to never miss a video: bit.ly/DontMemoriseKZbin Happy Learning :)

[@ABC-uf9gk]

very poor English

[@ganeshwaichal1]

I respect teachers like you

[@Realdivinityy]

omfg, just can't believe that i learnt radians, i was literally crying yesterday that i dont know radians, i can't do anything in my life, thank you so so so much

[@Ree624]

My God, this is so amazing, i am crying i tried each and everything ti understand this topic. May Allah bless you💕

[@InfinityLearn_NEET]

Thank you so much. Happy Learning :)

[@ibis8566]

amen

[@sandeepsindhu4995]

Who would have ever imagined radians in affinity to degrees in such a magnificent way. Awesome!

[@thomashvnmusic]

It's one thing understanding math for your self and another teaching others and making them understand the bigger picture . Two different skill sets right there and this teacher does a pretty good job.

[@InfinityLearn_NEET]

I'm glad that our content is so helpful to you, Thomas! Please subscribe and press the bell icon to never miss a video: bit.ly/DontMemoriseKZbin Happy Learning :)

[@arnavgarg2466]

Best Teacher, I am just speechless 😶😶 If you like the teacher then just hit the like button 👍👍👍

[@jongmagee]

Damn, you explained it better than Khan....

[@alimudarres1246]

yeah that left me stoned.. she does it much better visually

[@sanchitmittal6074]

yeah your are damn right my mind was blown through their video..

[@johnnythreefour2902]

Khan's great, but he farts around too much and you lose focus.

[@harrykane1748]

You mean Sal

[@savannahisnotvoiceless8454]

Lmao

[@triptibaghel3337]

I JUST LOVE the kind of explanation given by Don't memorise! thank you so much, it really helps!

[@InfinityLearn_NEET]

Thank you for your kind words! We really appreciate your compliment :)

[@NIA95543]

@@InfinityLearn_NEET explain in Hindi please please 🙏🏻☺️☺️

[@stenoch]

I believe there are 360 degs in a circle because the ancients thought, incorrectly, that the earth circled the sun in 360 days. Each degree represented a day's journey around the sun.

[@michaelnaisbitt1639]

David Henderson Yes I have heard this before as to the derivation of 360 degrees to a circle. Versus the length of what they thought was a year 👍

[@cityvisual]

It does not end there. A nautical mile is 1 second of arc. 60 seconds = 1 minute of arc and 60 minutes = 1 degree and 360 degrees is the circle. A good approximation to the circumference of the geodesic shaped earth. With regards to the 360 day year, a nice proposition. This would have occurred before the current civilisation.

[@eagle6769]

Actually, earth tilted in the days of Noah, and since then the days of a month could not be equal anymore. Before that there were 360 days in a year.

[@JarrodFrates]

The 360-day year is a long-standing myth; it's not hard to construct something that produces the same shadow or beam every 365 days (plus a few hours), and a lot of major and minor civilizations did just that. Astronomy was fairly well advanced by the ancients (because it tied into astrology and understanding the gods' intentions for us mortals) such that some could predict lunar eclipses at least by 750 BCE and solar eclipses at least by 585 BCE. Instead, several peoples (possibly starting with the Mesopotamians) had a base-60 number system (compared to our current base-10) as it could be easily divided by 1, 2, 3, 4, 5, 6, 10, and 12, the latter important because it's the approximate number of lunar months in a year. This made a lot of calculations easy with fine detail but without over-encumbering the math.

[@JarrodFrates]

@@eagle6769 The Earth has always tilted. It has a 23.5 degree tilt now. Earth's tilt has nothing to do with the time it takes to go around the sun, which is what defines the length of a year.

[@prickynicky6916]

This is the first thing I’ve seen that actually helped me learn what a radian is! Everything, or everyone else was just talking about how it’s more “natural” of a measurement, without actually showing how a radian is measured

[@srini9653]

Very well explained! I'm 50 years old always enjoyed Maths. This is something new I learnt today. Thank you!

[@gupta-pw5xb]

The concept which I was trying to understand for days ....Done in 6 mins ...... Thank you mam

[@InfinityLearn_NEET]

You're welcome! To view more videos for free, register on our website: bit.ly/DontMemoriseRegister Happy Learning :)

[@binitadhakal7238]

The way you teach is the learning for all teachers , your one video of few minutes can change the prospective of students for learning , keep it up ma, m.

[@harivasanr3198]

What an excellent and simple explanation. It cleared my doubts immediately. Way to go guys. Hats off to the whole crew

[@AURORA-ls6ot]

VERY GOOD DEMONSTRATION. INFACT IT IS EASY TO UNDERSTAND A COMPLICATED TOPIC WHEN IT IS EXPLAINED IN A VERY SIMPLE WAY. MOST PEOPLE DON'T HAVE THE CAPACITY OF TEACHING IN A VERY SIMPLE AND ATTRACTIVE MANNER. YOU HAVE GOT THE CAPACITY. GOOD , VERY GOOD.

[@kimono8413]

best math channel I've found recently. I knew I'd love it when I saw your channel name

[@B.Suvechha]

Thank you so much for explaining this concept so vividly. I was having difficulty in understanding this concept but this video helped me a lot. Once again, thank you!😊

[@mayanksuryavanshi]

Nothing is impossible when a teacher starts teaching like this. Impossible- I M POSSIBLE

[@InfinityLearn_NEET]

Thanks a lot for your kind words, Mayank. We are greatful to receive such comments. Keep watching and supporting! 🙂🙂

[@haunted5346]

aur hamare jaise gaddhhebache rahe toh

[@kaioxys]

Wow! This was incredibly useful and informative!!

[@josephchackopalathingal9939]

This is the way they should teach in all schools in India. That was fantastic demonstration of your understanding of the subject. Thank you and may the good Lord bless you. Joseph

[@scuzyprod.1611]

Such a beautiful explanation! No one defined radians as simply in my math class. Some math teachers just want to live off of a science that makes sense, when they themselves don't make any sense when teaching. It's sad.

[@rishuaggofficial]

I understood the concept. Your way of teaching is very good. Now I am loving my subject very much and I am enjoying your videos.

[@InfinityLearn_NEET]

We are really happy to know it helped you understand, Rishu! Hope you continue to have a great learning experience.Thanks a lot and Keep watching!! 😊😊

[@adamskelding172]

Thanks for the video for ages I’ve just been going along with the whole conversions without understanding why! Summed up perfectly 👍

[@aslaniefaisal1014]

I enjoy watching your vids. Very clear and explained well. I really understand the topic. Thank you for sharing knowledge "Don't memorise".

[@NSDG813]

Bro. WOW. Been struggling with this for days, 1 minute into the video and boom, clear as a window

[@azgrapefruit]

Our teachers tried their best, but didn’t come close to the clarity of you video….BRAVO!

[@afique8932]

Here right after Sal's video of khanAacademy just to clear the concept! And your video worked like a charm :D Keep up the good work!

[@InfinityLearn_NEET]

Thank you so much Afique :)

[@karenbonnetti-ramirez6264]

Wonderful explanation of Radians and degrees! Excellent teaching style! Thank you!!!

[@mohammedibraheem257]

Oh My God!! Its Amazing.. Thanks "Don't Memorise" for such marvelous Vids...

[@PenandPaperScience]

I wanted to plug my own video attempt where I explain this concept, but I have nothing to add. Great video! :D

[@chezertonchez6985]

I came to this video to learn math for game development theory expecting that I would not understand and exit the video, but instead I actually watched the entire thing. I still don't understand how this can be applied to a video game but I learned something new today that I will use in my future classes! Thanks for the video!

[@SHHSoojaL]

Excellent! This is the best youtube channel for learning what you didnt understand at school.

[@drvrkrishna]

Explanation that reaches to everyone in his lifetime. Thanks for uploading and congratulations for the nice work.

[@gooberdoober6780]

Channel name and style is perfect for learning and especially, understanding! Thanks!

[@werallgnnadieintheend]

Thankyou sooo much don't memorize! I couldn't understand this during my last year of school and my teacher declined my request to explain it again , my base in college was weak due to that, Alhamdulillah I found your video in time !

[@AnkitYadav-tf1ww]

The only video that made me understand the concept of radians. Keep up the good work. The way you have explained the concept had forced me to subscribe you channel. Thank you very much

[@abhirupghosh280]

Why my maths teacher is not like you😭😭😭😭

[@zindify9529]

ki kus that’s not always true. People are bad at math because they have a bad experience with it, and that’s most likely because of the way the teacher teaches the curriculum and interacts with one another.

[@anandhisakthivel4532]

@@zindify9529 objection ki kus is wrong........😣😣😈😈

[@anandhisakthivel4532]

U r really right

[@AmithKumar-qo7ne]

@ki kus not necessarily

[@That_One_Guy...]

@krishankant I learn much better when the studying environment is good for me (for example a quiet place make me study 10x better than in my annoying super noisy class), and I also affected how the teacher teach a subject (just compare this video to some teacher that told you it's an iron rule to memorize that 1 rad is 180°/π), everyone got some different factor that affect their studying efficiency.

[@christmassongs674]

What a wonderful explanation!! I loved it!

[@santanusamal5808]

Oh really what a concept I love this.....

[@troybingham6426]

I have a physics degree and a minor in mathematics and I never realized this. Thanks for this video. (To be fair, it was probably explained at some point and I was either away or asleep or something.). .. In any case I never understood the connection and always just used radians without giving much thought to their specific meaning.

[@sangeethakp819]

A very convincing explanation regarding radians and degrees. I have been going through various explanations on this topic , never did l come across such a lucid and clear explanation as mentioned here.

[@rupeshpandey9234]

Why It looks like Crystal ??? Bcoz It's so clear..👍👍

[@UT-CLANS]

I'm a high school dropout who owns a manufacturing business with 68 employees . We primarily manufacture aerospace / aircraft components . I wish I would have had a teacher like you in high school . Thanks for your video .

[@InfinityLearn_NEET]

We're humbled to hear that! Thank you :)

[@RuggedPanther]

Weird flex but ok

[@arjunkrish9435]

Don't Memorise u r deserved to be honoured for ur job on youtube

[@tamdaonguyen8486]

Oh Gosh, I finally understand what a radian is. Thank you so much for your sharing. You are a genius. I now can die in peace.

[@bissyadav4990]

I am 45 years old. Now I am doing a BCA DISTANCE. THIS VIDEO HELP ME Thank you so much Miss 🙏👍🌹❤️

[@girmaybass68]

Very clear illustration and easy to follow! Thank you!

[@trovr]

BEST explanation ive seen about this.

[@anonymousmale2646]

My highschool teacher glossed over this and did a really poor job of explaining it so I never really understood it. My current course is dealing with radians so I decided to check out some online content and 3 minutes later I have a far deeper understanding than I ever had after a unit of study in school.

[@Stratelier]

They still missed an important conceptual point: radians are defined as the *ratio* between a circumferential segment and its radius, which is more practical than merely knowing "1 radian ~ 57.2 deg".

[@sanjaysinghbjp9070]

It is given in NCERT bro simple hai

[@krishivbhatia9437]

This has helped me so much! Thanks!

[@aironagroup2893]

Wonderful. The beauty of your video is that you did it simply.

[@md.abdullahalmamun3806]

Wow! That's awesome. Take love from Bangladesh🇧🇩.

[@venugopal4359]

WOW....U BLEW MY MIND!!!

[@InfinityLearn_NEET]

Thank you so much. Happy Learning :)

[@poojakaparthi]

3:35 listen twice or thrice, you'll get it.

[@rajukumarrsaha6438]

Ma'am please post more videos in permutation and combination... It helps a lot.

[@liliacfury]

Defiantly the word problems...

[@AURORA-ls6ot]

ANTONIO KASABOV THIS DEMONSTRATION IS NOT MEANT FOR YOU DEAR. YOU ARE AN EXCEPTIONALLY WISE PERSON WITH OCEAN ON KNOWLEDGE HELD INSIDE YOUR SKULL. BE LITTLE TOLERANT AND TRY NOT TO DEMORALIZE THIS NICE YOUNG LADY..AFTER ALL YOU DON'T NEED TO SPEND MONEY TO BE MODEST .

[@JatPhenshllem]

@@AURORA-ls6ot ?

[@दिव्यांशु-यादव]

we can also find relation b/w radian and degree by length of arc formula Length Of Arc = angle * 2piR/360 Take Arc length as R similar to radius so the angle will be 1 radian Nice Explanation BTW 😃

[@emmanuelfabiani8435]

The BEST explanation I have found so far!!!! thanks!

[@fareshtaarabzada5118]

very very useful, thank you "" Don't Memorise "" ..........(:

[@omarmohamed-uv7wj]

Best 5 m video for radian understanding

[@jamesw6529]

Wow, that was awesome. Wish my teachers could explain it as well as you did.

[@InfinityLearn_NEET]

Hi James, We upload videos every Monday, Wednesday and Friday! Stay subscribed to be notified :)

[@veterinarydispensarysirvel9540]

Madam u made it so easy plz continue doing these kind of videos which r so easy to learn which doesn't make us so pressure and forced . I enjoyed u r class mam.

[@Garnfolf]

years of not understanding this, and all it took was to watch this video. THANK YOU

[@easylife4609]

Solid explanation

[@InfinityLearn_NEET]

You're welcome! Happy Learning :)

[@manindrahanhaga809]

THANK U MAM.....AND THANKS A LOT TO THE "DON'TMEMORIES".......

[@InfinityLearn_NEET]

Thank you very much for the appreciation and for watching Manindra. :)

[@rajashreesenapati9929]

your video is very nice

[@sairakesh7788]

Your explanation is nice...but you also missed 1 logic.....what about the 0.28% arc......you neglected it...it may show large differences for large circles..hope you wil try to explain

[@aslamsinamdar3827]

first of all she didnt neglect 28 % of arc........... second thing 28% of an arc not 0.28%

[@alitamam6028]

Once again you need to watch it !

[@ajithnalarajan6016]

During COVID days , I was serching for some materials inorder to teach my kids . Kids are living with a discomfort without School . So Thank you so much.

[@InfinityLearn_NEET]

Thanks for sharing your feedback, Sir! We are really glad to know our videos could help your children. Keep watching and supporting 🙂🙂

[@qaisbaltii]

Your Teaching Method Is Simple And Clean I Loved Your Videos Keep Uploading

[@InfinityLearn_NEET]

Thank you so much for your appreciation. We are glad that you understood the concept. For more videos, please visit our website - dontmemorise.com/

[@uditjain4702]

As a weak student these videos helped me a lot ........respect mam

[@InfinityLearn_NEET]

I'm glad that our content is so helpful to you! Please subscribe and press the bell icon to never miss a video: bit.ly/DontMemoriseKZbin Happy Learning :)

[@feynstein1004]

A circle has 360 degrees because 360 is a multiple of 12 and thus easier to divide into halves, thirds, fourths, sixths and even twelfths. The same reason a day is divided into 24 hours, an hour into 60 minutes and a minute into 60 seconds. All of these are multiples of 12 and share the property of easy fractions. The Sumerians were the first civilization to realize this iirc. It isn't arbitrary.

[@alimudarres1246]

you should have (2pi x 82K)*420 more subscribers, honestly this video was 2pi times better than khan academy's

[@InfinityLearn_NEET]

Thank you :)

[@kushalpawar9571]

nerdddddddddddddddddd

[@rupeshverma9711]

I am speechless..... Because of you best best best and best explaination. First time i have understood these concept clearly...

[@anupamasingh1602]

Your way of explanation is fabulous . Yess no need to memorize anything What I actually aspect from a teacher You give me all of that Thank you so much . I truly thankful to you .

[@tiyas1915]

#Thnx so much... Its very helpful !!

[@busanexpress6054]

Large Burgers. of Greenwich foods services"57.2958" haha can't come up with anything else.

[@avishbhardwaj9611]

Students who love her voice .

[@proudindian6861]

*This is the content for which I pay my internet bill!!* Thanks from bottom of my heart

[@InfinityLearn_NEET]

You're most welcome Mugdha. We are glad that you understood the concept. We are happy that we could help you learn. You motivate us to do better. Keep watching our videos : )

[@proudindian6861]

@@InfinityLearn_NEET yess.. Watching your videos is such a great experience! Plz keep it up 👍

[@hishamkhhassan9635]

You’re very helpful and amazing person , you focus into core concept immediately

[@engabdullahigutale4705]

398 dislikes are fake teachers

[@Avggrannysniffer]

Og

[@palakprabhat7366]

Ooh I changed it now to 399

[@vpkrithicck8-f115]

😂😂😂😂

[@vpkrithicck8-f115]

😂😂😂

[@AkshayaRaghavendran]

How you know dislikes number

[@minhazabedin8327]

That's way i also received Radian..

[@raviduprasanna6401]

never had a teachers like this , can't imagine how excellence the teachers teaching like this

[@ultimatebeast9017]

EVERY STUDENT NEEDS THIS TYPE OF TEACHER

[@farhatmustafa4917]

very grateful for having access to such great teacher

[@abhinandanuday5891]

I did not understand this concept at my coaching center and not in other videos too, but you are the one who is able to teach this topic very well. Thankyou

[@usmanm1394]

Madam urs explanation is as clear as ur pronounciation. Enjoyed this video

[@AspiringAres]

I know this is an older video, but thank you so much for helping me. I could not wrap my head around this with the explanation given in school, and you made it so easy. Thank you!

[@girjashankar6445]

Thanks a lot for helping me. I am in class 9th and previously i was so confused about the radian. Now, it's clear to me.

[@lincybiju9969]

I understood it very well .. thank u so much..🙏🙏

[@Nana-qc3sd]

You video explains it so clearly and I’m not confused anymore. It is way better than Khan academy and it’s old voice that makes me fall asleep literally!

[@maluramagrawal2999]

Some of the teaching videos makes understanding of things very simple and this is one of those vid.

[@stephen_LaserLuster]

Great explanation, very clear. One thing though, I don’t think you can calculate the angle to four decimal places if you only use Pi to two decimal places.

[@rajdeeppatil3623]

I am speechless to express my feelings... A very great educational channel I have ever seen on KZbin. Thanks a lot from bottom of my heart

[@InfinityLearn_NEET]

You're most welcome Rajdeep. We are glad that you understood the concept. We are happy that we could help you learn. Do support us by subscribing to our channel. 👍👍

[@rajdeeppatil3623]

@@InfinityLearn_NEET Yes:)

[@gamemakertim]

Clear and to the point, exactly what I was looking for. Thanks :)

[@mddelowarhossain5674]

Excellent teaching. Every one should agree with me.