Asked by Meg
f(x) = tan^2x+ sinx then f ' (pi/4) =
Answers
Answered by
drwls
Add the derivatives of tan^2 and sin x and evaluate the sum at x = pi/4.
The derivative of sin x is cos x.
The derivative of tan^2 x is
2 tanx*sec^2x
The derivative of sin x is cos x.
The derivative of tan^2 x is
2 tanx*sec^2x
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