Question

How do you find the derivative of `sec^2(x)`?

Answer 1

`2sec^{2}(x)tan(x)`

Explanation:

Use the Chain Rule:

`d/dx(sec^{2}(x))=2sec(x)*d/dx(sec(x))`

`=2sec(x)*sec(x)tan(x)=2sec^{2}(x)tan(x)`