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Mathematics 20 Online
OpenStudy (astrophysics):

https://www.youtube.com/watch?v=1CiXAP8XaBg&feature=youtu.be If you have a hard time remembering the unit circle :).

OpenStudy (astrophysics):

Unit circle song!

OpenStudy (ikram002p):

sweet

OpenStudy (astrophysics):

Haha, I thought so to, it's pretty catchy and by the amounts of likes and comments, I can tell it works :P.

OpenStudy (ikram002p):

ik somesongs wait ill show u the tau

OpenStudy (ikram002p):

https://www.youtube.com/watch?v=FtxmFlMLYRI

OpenStudy (ikram002p):

my student kik me out of the class cuz of this lol

OpenStudy (kainui):

Haha I literally can't memorize this, I always just have to figure it out every single time.

OpenStudy (ikram002p):

hahaha lolz

OpenStudy (kainui):

As long as you know what happens in the first 90 degrees, everything is just like a reflection of that so just put the negative sign accordingly if it's sine or cosine. XD

OpenStudy (ikram002p):

yeah but songs are hilarouse check the tau song lol

OpenStudy (kainui):

Tau is better, there's literally nothing to remember because tau/2 is just half a rotation, it's beautiful lol.

OpenStudy (ikram002p):

haha lolz ppl who worth pi dnt like tau hehe there is pi day but not tau day

OpenStudy (kainui):

What there's totally a tau day. 6/28, I celebrated it recently!

OpenStudy (ikram002p):

haha lolz , never hear of it

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