February 20, 2017

Homework Help: Calculus 1A

Posted by Mary on Tuesday, March 26, 2013 at 2:47pm.

I am trying to find:
dy/dx for y = sec(tan x)

I have the answer, but I have no idea how to get there. I know that the derivative of sec x = sec x tan x and that the derivative of tan x is sec^2 x. But sec doesn't have an x, so ...?

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