Question: Let (x) = tan 2 x and g(x) = sec 2 x. (a) Use an identity and prove '(x) = g'(x) without directly computing '(x)

Let ƒ(x) = tan²x and g(x) = sec²x.
(a) Use an identity and prove ƒ'(x) = g'(x) without directly computing ƒ'(x) and g'(x).
(b) Now verify the result in (a) by directly computing ƒ'(x) and g'(x).

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a Using the identity 1 tan 2 x sec 2 x we have 1 x gx Taking the de... View full answer

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