Question

What is the equation for the inverse of y=cos x +3?

Answer 1

`f^(-1)(x) = arccos(x - 3)`

Explanation:

`y = cosx + 3`

The inverse is given by

`x = cosy + 3`

`x - 3 = cosy`

`cos^-1(x - 3) = y`

Hopefully this helps!