`y = 4(sec(x))^2` Find the derivative of the function.

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Chapter 2, 2.4 - Problem 53 - Calculus of a Single Variable (10th Edition, Ron Larson).
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hkj1385 | (Level 1) Assistant Educator

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`y = 4sec^2(x)`

`dy/dx = 4*2*sec(x)*sec(x)*tan(x) `

`or, dy/dx = 8sec^2(x)tan(x)`

` `Note:-

1) If y = sec(x) ; then dy/dx = secx*tanx

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