Which function among the following has derivative ?

MATHEMATICS · Single correct · AP · Calculus AB · Differentiation: Composite, Implicit, and Inverse Functions · Differentiation: Composite, Implicit, and Inverse Functions

Problem

Which function among the following has derivative

e^{\tan x}\sec^2 x

? (a)

e^{x}\tan x

(b)

e^{\tan x}

(c)

\tan(e^{x})

(d)

e^{\tan x}\sec^2 x

Related theory

Advanced Differentiation
Derivatives of standard functions via chain rule
Derivatives of composite functions
Continuity and Differentiability
Differentiation Rules

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