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What is the derivative of the function `f(x)=e^(tanx)+ln(secx)-e^(lnx)" at "x=(pi)/(4)?`

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What is the derivative of the function
`f(x)=e^(tanx)+ln(secx)-e^(lnx)" at "x=(pi)/(4)?`
A. `(e)/(2)`
B. e
C. 2e
D. 4e
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1 Answer

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Correct Answer - C
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