Question 5 Find the ninety-ninth derivative of the function f (x) = cos(2x). O f(99) (x) = 2}00 sin(2æ) O f(99) (x) = 29 cos(2æ) O f(99) (x) 298 sin(2x) %3D O f(99) (x) = 209 sin(2æ) f(99) (x) = –20° sin(2æ)

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Q: exercise

A: Please refer to the image below 

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