Question: (a) Use the Quotient Rule to differentiate the function f(x) = tan x - 1/ sec x (b) Simplify the expression for by writing it

(a) Use the Quotient Rule to differentiate the function
f(x) = tan x - 1/ sec x
(b) Simplify the expression for by writing it in terms of sin x and cos x, and then find f'(x).
(c) Show that your answers to parts (a) and (b) are equivalent.

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