To apply the Chain Rule, set as .

Differentiate using the Power Rule which states that is where .

Replace all occurrences of with .

Rewrite in terms of sines and cosines.

Convert from to .

Since is constant with respect to , the derivative of with respect to is .

Multiply by .

Multiply by .

Find the Derivative Using Chain Rule – d/dz y=cot(sin(x))^2