Question

How do you find the value of `csc^-1(-1)`?

Answer 1

`theta=-90^@(270^@)`

Explanation:

`csc^-1(-1)`

`csctheta=-1`

`1/sintheta=-1`

`sintheta=1/-1`

`sintheta=-1`

`theta=sin^-1(-1)`

`theta=-90^@(270^@)`