Wednesday

April 23, 2014

April 23, 2014

Posted by **Mark** on Thursday, March 14, 2013 at 12:49pm.

I got -3 sin(3x) cos^3x - 3 sin(x) cos (3x) cos^2 (x) using the product rule

Is this right? Thanks.

- Cos-Derivative -
**Damon**, Thursday, March 14, 2013 at 1:16pmyes

- Cos-Derivative -
**Mark**, Thursday, March 14, 2013 at 1:27pmThanks!

**Related Questions**

Math, derivatives - Let g(x) = sin (cos x^3) Find g ' (x): The choices are a) -...

Calculus 12th grade (double check my work please) - 1.)Find dy/dx when y= Ln (...

pre-cal - Simplify the given expression........? (2sin2x)(cos6x) sin 2x and cos ...

tigonometry - expres the following as sums and differences of sines or cosines ...

Trig check my work please? - 8 sin²(3x) cos²(3x) = 2 [2 sin(3x) cos(3x)]² = 2 [...

algebra - Can someone please help me do this problem? That would be great! ...

Math - Calculus - The identity below is significant because it relates 3 ...

Derivatives - what is derivative of sin^2 (3x-1)^2 ? dy/dx (sin^2 (x))= 2 sin x...

Precal - I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A...

Trigonometry - Find the general solution of the following equation. sin (5x) = ...