Question

sin^-1(sin pi/7)

Answer 1

pi/7

Answer 2

\(\dfrac{\pi}{7}\) is the most obvious solution, but there are many more.

Answer 3

\[\sin(x) = \sin\left(\dfrac{\pi}{7}\right)\]You have to solve for \(x\).

Answer 4

Try using the unit circle

Answer 5

Could you guys tell me how to get pi/7?

Answer 6

It should be easy. Think about it.