How to Find the Equation of a Tangent Line with Derivatives (NancyPi)

[@varghejo]

I love how she speaks slowly and gives multiple examples. It's almost like she knows I'm a moron and yet she does not judge me.

[@Hope4NewDay1]

A true teacher. 😂

[@arklanbk]

shes judging u silently

[@tramasdelahistoria]

HAHAHHAHA hilarious comment

[@jeisongarrido7376]

I feel you bro

[@christopherkuberski6257]

NEVER PUT YOURSELF DOWN, even as a joke!

[@aaronbowen2952]

Definite life saver. I basically have three Calc teachers, NancyPi, Kahn Academy...and my professor.

[@jackjacobs9846]

And the Organic Chemistry Tutor

[@volken54]

Great teacher: very consequencial,slowly speaking and clear. Thank you!

[@sabertig3489]

...and pretty, to keep eyes focused on the front of the class...

[@mdc867]

Completely different from mine

[@deanflame8362]

Pervert alert

[@noelbenitez1765]

SIMP, but yeah

[@excuseyou7198]

@@sabertig3489 dude wtf...

[@manzero134gd]

I'm trying my best to learn calculus with my last remaining brain cells. Thank you Nancy for this very comprehensive video.

[@TheDoc4kids]

Madam, all your lectures are so lucid! We did not have calculus in high school, and as a clinician I needed to understand the dynamics of the on-going Covid-19 pandemic. I have been able to learn calculus from your lectures, and have been successful in understanding the epidemic curves much better. thanks so much!

[@aliyahelliott4396]

I really appreciate how you explain each step and include the simplest of things like labeling the slope as ‘m’ because some of us get confused when only slope is said.

[@AZ-xl2yb]

Thank you SO much NancyPi! This video saved my life because my online lecture skipped the tangent equation part, making it extremely confusing and having me stuck in a problem because I forgot how to recreate the Y-Y1=m(X-X1) form and turning it into Y=mX+b for the final answer. You explained this concept very clearly and I am extremely grateful for this. I subscribed to you and liked the video. Thank you again and I hope to watch more of your Calculus videos in the future. Best regards.

[@stephpies3]

OMG you are so helpful! Taking calc online during COVID has been awful. I got a 30 out of 100 on my first test, and I have my second one this week. I finally understand this after watching your video!! I am gonna binge the rest of your videos now to save my grade!

[@safaarif3530]

Got a 30/100 on my first exam too, the next one is next week, hopefully I do better😅😅😅

[@tooeric5]

She is a very dedicated teacher she doesn't want the students to miss even the infinitecimal valuable information.

[@hkyzap]

You won’t get a clearer explanation than Nancy P’s demo! Well done !

[@adventuresofreikun]

Going to have finals tomorrow, finally I understood this topic, thank you for making these videos to help students

[@cripwalklover8380]

If you are being held hostage, blink twice

[@nishchaybhutani4507]

Wtf

[@pro2ocol]

Oh common she is obviously under hostage situation. But I never seen such a cyber crime where the user is forced to run a channel in order to send secret codes or maybe something for more vivid reason.

[@nishchaybhutani4507]

@@pro2ocol *MARINA JOYCE*

[@sampitts7044]

Would you go on TV and say Hello I am Nancy Pi?

[@4vulpin9]

Mohammed Wasey Siddiqui Just think of all that KZbin revenue...

[@annieneal1455]

I learned more in this video than I did in 3 weeks of college calculus. Thank you, u saved my grades 😂😊

[@mehulsiwach1648]

u guys learn this in your college??!!. let me guess, u r american ryt??!

[@domoroboto8752]

@@mehulsiwach1648 there are college courses available for all levels of proficiency.

[@ginelet]

anyone else struggling at zoom university and relying on youtube videos?

[@radoraan5272]

yes sir, from México xD

[@AetherCS2]

yessir haha not zoom tho just pre-recorded lectures ;/

[@CorpusLael]

Exactly!

[@baileyflemming31]

Ugh, you're a lifesaver. I've watched your videos and understand more than everything my professor has provided combined. Thank you!

[@cmdrbobert9862]

The basic Example really helped me get underway on my derivatives homework. I've never had to learn them until Uni, and still didn't grasp it in the week I had lectures about it. Thanks for an awesome video.

[@johnmitchell6283]

I just wanted to say thank you Nancy. I am not sure why my professor made this so unnecessarily hard. You are the Math Goddess.

[@abdelljones6233]

I will always pray for u because u saved my life

[@MalTV]

Anybody else have a calc test tomorrow? Like if so

[@GERARADO345]

im getting absolutely clapped, gl man

[@MagnificantLights]

well... calc midterm tomorrow, so thats swell

[@DrArthurCGarp]

Applied calc mid term

[@abdulrahmanalzaabi800]

Yes

[@omarzidan4055]

Dude I am fucked for tmw

[@dylanmohseni1909]

Your videos are great btw. Way better than every professor at purdue and were essentially a top 3 engineering school in the nation. please keep making more

[@mokgadisekhaulelo3420]

thank you sm for doing this . I really learn alot from your videos than from my maths class. im actually writting about this in a couple of hours and i seriously didnt have a cooking clue on what " tangent to a curve " is and my textbook looks like its written in a foreign language to me rn so your video reallllllllyyyyyyyyyyyyyyyy helped me thank you :)

[@AzharKhan-wn8wy]

Thanks a lot, NancyPi. As always, you make Calculus easy to understand.

[@metamorphicwaves4845]

oh my gosh, thank you so much. i've been dying trying to solve these problems using an entirely different insanely hard process that never worked, and you made it so easy i thought it wouldnt work, but i was able to solve the problem correctly FINALLY because of you!!! thank you!!!!

[@kennybutcher6307]

Thanks Nancy! My online textbook is a copy paste job and it's horrible. Literally horrible. I don't know why they would try and show an example of a new idea and skip steps, or use a 1 which then become 1/2 for m and b. Can't make it any more confusing. This helped!

[@sashasguitarcovers5921]

Thank you, Professor Pi, my other professor seems to have gone missing.

[@user-gs5bd7fj3b]

Thank you for doing these. You are an awesome teacher. I wish I had these videos when I was taking math classes in college.

[@meowmbananas]

thank you so much!! you’re my favorite youtube math tutor now!! please don’t stop using you’re platform to share and help the students like me who’s having a hard time understanding the lessons that are thought by our actual teachers. God bless you! xoxo

[@meowmbananas]

LOCD&LOOSE ugh, ikr 🙁

[@jacquestone3280]

Nancy, your video helped so much and in addition it's so refreshing to see beauty as well as brains you picked my interest more then I can say... thank you for your help

[@chillwavezneuroscience2547]

I will sleep at peace tonight, I have a calculus exam tomorrow :)))) I feel good now

[@danielmayo1336]

Nancy, you're the best math teacher in the universe! Kiss 🌹💋👏👏👏👏👏👏👏👏👏

[@kevincrawford6864]

I think my Calc professor is to smart to teach calculus. He rambles on about things further along in the course before we understand the concepts that are infront of us. She is a very easy to follow and understand in comparison.

[@muneerobeidat6473]

if my calc professor looked something like you I wouldve probably majored in math. thanks for the video.

[@爹地大]

Does anybody else think Nancy's video is 100 times more helpful than classes? Not to mention it is only one fifth the time

[@EmpyreanLightASMR]

16:04 just in case anyone wants a bit of clarification on how she got √3 and how you can find it yourself, tan is equal to sin/cos. (And cot is cos/sin.) Ok, So to find tan of π/3, just do sin(π/3) over cos(π/3) Use your unit circle (or look for that awesome, old video on youtube on how to memorize the unit circle) and you'll see sin(π/3) = √3/2 cos(π/3) = 1/2 (as you are shown in the video) so divide the two... or even better, multiply one by the reciprocal of the other. √3/2 times 2/1. The twos cancel out and you're left with √3

[@alishafranke901]

Thank you so much for your helpful explanation! I like how you took your time to fully go over everything.

[@AlexusElliott]

This was extremely helpful. I didn't even need to watch the full video. Thank you for explaining it thoroughly!

[@hamzaabaaewitwit1443]

You are a great teacher and your teaching method is very good and understsndable . Thank you from Iraq🇮🇶🇮🇶🌹🌹🌹

[@rockstore9712]

Great way of teaching... my concepts got clear after watching ur video...❤

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[@anirudhj4433]

This has made school so much easier for me. I have a chance of getting into the university of my dreams now! Thank you so much!!

[@bakaniellece9688]

NancyPi is so undersubscribed....very good instrutor

[@tobiaschapinda6771]

A straight line y=-x+4 cuts the parabola with equation y=16-x^2 at the points A and B. a.Find the coordinates of A and B b.Calculate the distance between the points A and B c.Find the equation of the tangents at A and B, and hence determine where the tangents meet. d.At the point where A and B meet, the line Q is perpendicular to the line B. find the equation of the lin

[@Sahistasabathegreat]

What a soft spoken person you are . Thank you so much mam 💖

[@jvg6877]

I really appreciate this video, you are so far the best at explaining calculus out of everyone I've seen, keep it up, it helps me a lot

[@davisyopunk]

I love NancyPi makes math easier and fun to understand! Beauty + Intelligence = NancyPi

[@jamesmitchell2052]

you are amazing!! this explained the topic better than many hours in my college class. thank you so much!

[@tracerhax]

I was never addicted to any youtube channel this much!

[@ninjatrapper]

This is one of the best math videos ive ever watched

[@robwordie4261]

Smart, beautiful, and well spoken. What a great video!

[@genesisho3993]

Miss Nancy is really great at teaching children.so generous

[@cswalker21]

a linear.....line 🤣😂😅. Great video. I'm learning so much calculus. I don't even know why. I'm not even in school!

[@josejordan7528]

Hi @NancyPi! Thank you for the explanation. This helped me tremendously.

[@prabodhbharose4209]

how do you write on that i'm perplexed

[@yoitslemonboy6988]

shes has a clear board is front of her then the camera is flipped in editing

[@samuelobadina2222]

GENIUS!

[@reve9552]

Writing on a clear board and then the video is mirrored

[@mohanadosama4362]

iknow right :D

[@jadetheshade]

@@yoitslemonboy6988 oh, no way! that's actually so smart

[@xxkelel20xx]

Thank you. This helped me understand how to do these problems on my homework

[@luisalbertolopezarias5042]

thanks, i´m Colombian and i don't have idea about derivates, but for you, i can understand better

[@alyciastump1636]

can you do a video on logarithmic differentiation? BTW YOU'RE AMAZING! I was so confused until your videos and now it's simple and makes complete sense.

[@potatoboi8327]

nancy i've learned more from you than my prof by far. thanks so much for all your great vids!!! (also i love your shirt)

[@SpinWave]

beautiful, simple, to the point. Thanks

[@nicholasberry8456]

I wish all people teach like you do

[@Gopinath.sGopinath.s-j2p]

Your teaching is very understandable😊

[@web_dev_with_Asiii]

that's really great teaching method , Ma'am i am from pakistan but i am really impressed by your teaching style,you teach very slowly by doing this i have cleared all point of this tiopic

[@arrogantshadow9423]

Thank you very much for the concept. The video was in detail and easy to understand.

[@wooddy8402]

Thank you very much for saving me from my math teacher who gives speech through zoom at a lightning pace and says you have already learnt in 2nd and high school so he wouldn't mention again, which is so annoying.

[@Imvry_sora]

4 hrs before the deadline. Thanks a lot♡

[@lordmungo1461]

If you play at .75 speed, she sounds really sarcastic.

[@Nutshell2K]

Definitely helped with my college Calc class, thank you! Subscribed

[@edgarjimenez5644]

What’s not like about your videos?… one learns a bunch plus you are adorable!

[@reymondatienza8427]

that unit circle is very important.... thanks!

[@jacquelinealmazan9169]

Forever I wish you were my calculus teacher!

[@tejamummidi]

Omg if she was my maths teacher I'll be present in the class every day

[@coffeecs]

f(x)=2mcotx+secx−2-√x+4m Find the value of m if the slope of the tangent line at x=π4 is 28

[@coffeecs]

help pls

[@yikushieda]

thank you so much, Nancy!! I was forgetting a lot of these things and my uni prof was overcomplicating something I already learned in high school haha.

[@nazrussel]

Nancy, you made my life so much easier. thank you.

[@chiefster11]

Your voice is like so calming this is like mathASMR in itself lol

[@mrpancakes]

I had the same thought.. maths ASMR

[@bryanc255]

I'm so in love with math... I mean Nancy... I mean calculus

[@santibanez91]

Thank you! I was super frustrated and couldn't figure out my homework.

[@arjundas7078]

5* rating. Thank you so much nancy.

[@hannagrantoza786]

I have to subscribe. So helpful. I wish teachers in calc are like this

[@mazdaartaxerxes5568]

When I just could have one mathematic professor like you, I would be Henri Poincaré prim now 💞

[@AnishaIslam]

hey nancy, can you make a video on solving optimization problems using calculus?

[@somdeepbose2592]

Yes, videos on complicated and harder calculus problems?

[@amandawhitlatch6838]

Yes! optimization or related rates..

[@mathsstc9046]

Excellent! Excellent! Just purely excellent!👍😊😃😃🙏🙏🙏🙏🙏🙏🙏👏👏👏 may JESUS continue to bless you with the gift of explanation

[@SYEDALI-co7fo]

Our teachers should learn teaching from her ....

[@albertselman2788]

Maths teachers like Nancy are the best 😜 learning from her

[@longevityescapevelocity629]

I'm so confused about how she writes. Is she left handed and writing backwards right to left? This is sorcery! On a serious note, Nancy- these videos are going to help me not have to repeat trig! Thank you so much!

[@mrpancakes]

First of all she's writing on a glass screen(I assume u know this).. she writes in the correct direction for herself (the usual left to write), but then the video is mirrored which makes it straight for the viewers.

[@longevityescapevelocity629]

@@mrpancakes yeah, I figured that out probably thirty seconds after posting that. thank you professor

[@j.t3948]

Thank you so much for this, it helped me a lot with my homework and hopefully, you have more videos as I get more into calculus.

[@abdullahs7256]

School seems pretty useless when videos such as this one explain it so much better.

[@Manji29]

She's just so good!. I could hire her for any amount

[@johnshepard3197]

For what purpose? 😂😂😂

[@Manji29]

@@johnshepard3197 Bullshit, asshole!!

[@maiimooii3027]

Your student is lucky . Great teacher 👍

[@omcopiersolution6322]

Thank you..... Thank you so much ma'am............. I always want to study with you lots of love ma'am from India......... We love you............ ❤❤❤

[@fearlesssilver21]

Nancy, your videos are so helpful! They have really helped me through Calc1. But there's something I must know... How do you write backwards? It blows my mind every time

[@ash_ithape]

She flips the video lol

[@Towl35]

Nothing sexier to me than a woman who knows math! Watching you has renewed my love of math. Thanks for the videos!

[@ramlalgajoo2722]

What a gifted tutor

[@lilrichtalks]

Omg I was stuck in the equation for so long thank you!!!!!!!

[@beastzc7373]

I can finally see the beauty of math

[@hassanhamade5370]

Dear Nancy, You're beauty makes me strive to become a better math student. With every video, I fall more in love with you. Keep up the good work and keep making videos ;)

[@simat007]

Absolutely amazing video. Thanks, it was very helpful!

[@cucucherry6875]

i can´t understand anyone but you :,) thank you so much!!! hope I pass my calculus exam

[@Bootigieg]

god bless you for not littering your board with d/dx's and stuff.. like obviously we know whats going on you dont need to make it look so messy

[@YamYamthe3rd]

She does too much for her to just ask for a like OR to subscribe. For her work she should always say to like AND subscribe. Love the material she puts out!

[@Adam-ui3yn]

I always found point slope formula unnecessarily complicated. I find it much easier to use the well known y=mx+b substitute x and y with with your (x,y) ((1,3) in the first example) coordinate values, and substitute m (5) with your slope value and solve for b. So 3=5(1)+b ---> b=-2 Now rewrite y=mx+b with your b and m value so y=5x-2 ezpz

[@mostafavt3335]

لا تعمل نفسك مثقف يا طعمية

[@codyjones8004]

I'm perplexed. Are you writing backwards on a transparent glass board? Not sure how you're pulling this off, but I'm impressed.