Question

How do you solve a multistep trig equation?
Sin (3 Theta) =-1

Answer 1

\[\sin 3 \theta =-1\] now taking inverse of it
\[3 \theta = \sin^{-1}(-1)\] and sin is -1 at 3 pi/2

Answer 2

Right. That is what I am getting also. But what do I need to do after that? My book is giving four crazy answers.

Answer 3

divide both sides by 3