How to Find the Derivative of a Trigonometric Function?

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Homework Statement



if f(x) = SQRT[X]TAN[X] + 2X / SIN[X]+COS[X]
Find f`(pi/4)

Homework Equations



doon't know

The Attempt at a Solution

 

Discussion

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Are you familiar with the product rule and the quotient rule and the derivatives of trigonometric functions? If you are, just apply what you know, and show us an attempt. If you aren't, then read your textbook.
 

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