Question

I don't understand what the question needs be to do.

Answer 1

take the inverse sine with a calculator as a first step

Answer 2

How

Answer 3

with a calculator

Answer 4

http://www.wolframalpha.com/input/?i=arcsin%28-.2%29
you are not going to be able to do this with pencil and paper
that will give you one answer, then you can find the others

Answer 5

What makes sin^(-.2) the inverse of sinx=.2?

Answer 6

*sin^-1(-.2)

Answer 7

\[\sin(x)=y\iff x=\sin^{-1}(y)\] for \(-\frac{\pi}{2}\leq x\leq \frac{\pi}{2}\)

Answer 8

Oh I see. :)