`h(x) = 1/x - 12sec(x)` Find the derivative of the trigonometric function.

Textbook Question

Chapter 2, 2.3 - Problem 46 - Calculus of a Single Variable (10th Edition, Ron Larson).
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hkj1385 | (Level 1) Assistant Educator

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Note:- 1) If y = secx ; then dy/dx = sec(x)*tan(x)

2) If y = x^n ; where n = constant ; then dy/dx = n*x^(n-1)

Now, 

`y = 1/x - 12sec(x)`

`y' = dy/dx = -1/x^2 - 12sec(x)*tan(x)`

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