To apply the Chain Rule, set as .

The derivative of with respect to is .

Replace all occurrences of with .

The derivative of with respect to is .

Combine and .

Find the Derivative – d/dx arctan(cos(x))

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# Find the Derivative – d/dx arctan(cos(x))

To apply the Chain Rule, set as .

The derivative of with respect to is .

Replace all occurrences of with .

The derivative of with respect to is .

Combine and .

Find the Derivative – d/dx arctan(cos(x))