Question

How do you write the equation `tantheta=x` in the form of an inverse function?

Answer 1

`theta = tan ^ -1 x`

Explanation:

`tan theta = x`

`tan ^-1 (tan theta) = tan ^-1 x` taking inverse on both sides.

But `tan ^-1 (tan theta) = theta`

`:. theta = tan ^ -1 x`