Monday

March 30, 2015

March 30, 2015

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

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 ...?

- Calculus 1A -
**Steve**, Tuesday, March 26, 2013 at 2:57pmd/dx secu = secu tanu du/dx, so

y' = sec(tanx) tan(tanx) sec^2(x)

- Calculus 1A -
**Mary**, Tuesday, March 26, 2013 at 3:14pmthanks!!!!!!

**Answer this Question**

**Related Questions**

calculus - find dy/dx y=ln (secx + tanx) Let u= secx + tan x dy/dx= 1/u * du/dx ...

Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...

calculus (check my work please) - Not sure if it is right, I have check with the...

Calculus 12th grade (double check my work please) - 2- given the curve is ...

Calculus AP - I'm doing trigonometric integrals i wanted to know im doing step ...

Calc - If f(x)= sec x, find f"(Pi/4) I am not sure how to take the 2nd ...

calculus - Use integration by parts to evaluate the integral of x*sec^2(3x). My ...

Calculus - 1.) Find the derivative of tan (sec x). 2.) Find the derivative if 1/...

calculus - So I am suppose to evaulate this problem y=tan^4(2x) and I am ...

Calculus - How do I find the critical values? y= 4/x + tan(πx/8) What I ...