Question

How do I calculate the exact value of sin 7pi/3 ?

Answer 1

Do you know the unit circle?

Answer 2

Yeah sort of, i looked it up on the internet

Answer 3

Memorize it :P .

Answer 4

ok ~ it will help me? let me look at it again

Answer 5

Ohh yeah. It will help you BIG time.

Answer 6

Anyways if you look on the unit circle it's \[\frac{ \sqrt{3} }{ 2 }\]

Answer 7

Thanks! Im printing out the circle :D

Answer 8

Here the video on the way to remember the entire unit circle.

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