Derivatives of Trig Functions

AP Calculus AB· difficulty 2/5

ddxtanx=\dfrac{d}{dx}\tan x =

  • A

    cotx-\cot x

  • B

    sec2x\sec^2 x

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  • C

    secx\sec x

  • D

    cotx\cot x

Explanation

tan=sin/cos\tan = \sin/\cos; quotient rule gives sec2x\sec^2 x.

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