How do i find sin^-1(cos(pi)) and answer in radians in terms of pi

Question

asked Jan 21, 2017 204k views

1 Answer

Whywake · Answer 1 · 2017-01-27T13:56:51+0000

We have to find sin^(-1) ( cos π ).
cos π = cos 180° = - 1
sin^(-1) ( - 1 ) = 270° = 3 π / 2
Answer:
sin ^
sin^(-1)( cos π ) = 3 π / 2