Question: show the process pls 3. (1 mark) (a) Write down the chain rule: (b) Use it to find the derivative of f(x) = cos2 x

show the process pls

3. (1 mark) (a) Write down the chain rule: (b) Use it to find the derivative of f(x) = cos2 x (c) Use it to find the derivative of f(x) = tan (e2z)
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