Find the maximum of

Question

(sin^-1x)^3+(cos^-1)^3?

Answer 1

To find maximum of the function, find the derivative of the function.

To find critical points of the function set the derivative equals to 0.

y' is undefined but y is defined.

Answer 2

Contd ....

The function

Evaulute at end points and at the critical points.

For

For 

For