What is a Radian? An Explanation

[@joshua.hintze]

Best definition I’ve ever seen for a radian. I’ve always just known 2 pi = 360 degrees but never really understood what a single radian is. This is very helpful

[@stepbystepscience]

Glad to hear that!

[@jeshika22]

Thank you so much, this helped me understand where my teacher couldn't quite explain either the definition or the conversions in a way that made sense to me.

[@stepbystepscience]

Glad it helped! Thanks for your comment.

[@iostechhack346]

Thank you Sir. I'm a game developer, I needed to know what a radian is because they added them to the engine I use for my game.

[@stepbystepscience]

Glad I could help!

[@bloomyfractal3585]

I understand what a radian is now ! Thanks for this thorough introduction :D !

[@stepbystepscience]

My pleasure, thanks for watching!

[@balathiyaga5724]

you did a good job we enjoyed the video thank you

[@stepbystepscience]

Glad you enjoyed it and thanks for the nice comment

[@howardg396]

Great video, it's been a long time since I did much work with radians. While I was watching I remembered one of my mathematics teachers in high school introduced us to a different measurement system but as this was way back in the 70s I can't for the life of me remember what it was called, so I thought you might. Hopefully I can explain this properly ... While there are 360 degrees in a circle, and 60 minutes in a degree, and 60 seconds in a minute even a second of arc can be rather large at great distances (he was an astrophysicist). So his system had the circle divided into 1000 sections each of which was called a "Div" (or D), each of these was subdivided into 100 Centi-divs (or CD), and each of these into another 100 milli-divs (MD). He said this could be continued, but that it likely wasn't necessary as 1 milli-div was equal to 1/10000000 of a circle. So just curious if you (or anybody else for that matter) has ever heard of this system? If so can you give me some further information on who developed it, etc? Thank you in advance.

[@srotosshini1467]

Nope, I haven't. I read your whole comment because I thought you were looking for an answer. Sadly I couldn't help.

[@asking_reddit]

try asking chatgpt

[@balogunw9571]

Tau? kzbin.info/www/bejne/kIHZYoiMZdd3brc

[@tarunsood9355]

Thank you.. this vid really helped in my exam!

[@stepbystepscience]

So glad to hear that!

[@alejandroalmarza8447]

Excelent profesor and great explanations …keep your great job…. All the way from Venezuela

[@stepbystepscience]

Many thanks and best wishes from Germany!

[@palmbeach667]

You are the best 👌, thank you so much from 🇧🇩 Bangladesh

[@stepbystepscience]

So nice of you, greetings from Berlin!

[@andyjcurtis]

Perfect pace.

[@stepbystepscience]

Thank you!

[@ivangodfreyglifonea4575]

Thanks.

[@soudabehzahidy610]

Thank you!

[@stepbystepscience]

Welcome!

[@6786135ful]

thanks for good video, i will listen to it while i sleep at night

[@stepbystepscience]

Thanks for listening

[@mc88dx]

Thank you 🙏

[@stepbystepscience]

Welcome!

[@Premkumar-dl9du]

Thanks 👍

[@stepbystepscience]

Welcome 👍

[@kichigan1]

Thanks!

[@stepbystepscience]

You bet!

[@serhantoy-po4lt]

Best definition...

[@stepbystepscience]

Thanks so much!

[@robzzz8046]

Incredible thanks for the help

[@stepbystepscience]

Happy to help!

[@mehboobshaikh285]

Thank you sir

[@stepbystepscience]

My pleasure, all the best

[@adityaprasad8835]

thanks sir

[@stepbystepscience]

Most welcome and all the best

[@adityaprasad8835]

@@stepbystepscience may u pls upload a video on degree minute second topic like for example 60 degree 21' 43"

[@justmemyselfandi5532]

ok, when you make a full circle in degrees do you come to 360 or 0 degrees. or you actually never arrive to 360 it is 359.9999. If you arrive to 360 and then after 360 you are at 0 then we have 361 degree circle :). Does circle have beginning and the end? what is then 0 end or beginning or can 360 equal to 0 :)

[@stepbystepscience]

That is a very deep question, but when you go all of the way around a circle you go 360 degrees. 0 and 360 are at the same place.

[@CorpoWolf]

The confusing part is "radians" in the variable name. If you said the amount of radians in a full circle is 2*π I wouldn't be confused. But it being stated like 2*π*rad. Why does "π rad" keep being stated? It implies to me it's different from π

[@stepbystepscience]

I understand what you are saying, but that it generally how it is said, "in a circle, there are 2pi radians. Maybe it would be better if we said, there are 2 times pi radians in a circle. It is like when we have 3x, we usually don't say, 3 times x, we just say 3x.

[@ramashama-tw3ly]

👍👍🙏🙏❤❤

[@stepbystepscience]

Thank you.