Question: (a) Find the derivative of the function g(x) = sin x + cosx in two ways. (b) For (x) = sec x and g(x) =

(a) Find the derivative of the function g(x) = sin² x + cos²x in two ways.

(b) For ƒ(x) = sec² x and g(x) = tan² x, show that ƒ'(x) = g'(x).

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