Hi,

Can someone please show me how to solve this, step by step?

Integrate the following:sinxcosxcos2x

Apparently the answer is1/8(sin2x)^2 + C

Does sinxcosx go outside of the integrand as a factor?

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- April 29th 2010, 04:24 PMCSG18Integration with trigonometry
Hi,

Can someone please show me how to solve this, step by step?

Integrate the following:**sinxcosxcos2x**

Apparently the answer is**1/8(sin2x)^2 + C**

Does sinxcosx go outside of the integrand as a factor? - April 29th 2010, 05:11 PMskeeter
- April 30th 2010, 11:52 AMCSG18
- April 30th 2010, 12:01 PMharish21
Because

If you dont know this, you need to look back at the topic double angle formula. Here it is:

Double Angle

The fraction is there because**skeeter**multiplied the term by , which is equal to 1 - May 1st 2010, 04:05 AMHallsofIvy
- May 1st 2010, 08:19 AMCSG18
- May 1st 2010, 08:32 AMe^(i*pi)