Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

805,774 users

How can I solve this integral?

0 votes

Integral of (cos^2)(x)(sin2x)dx?

asked Sep 12, 2014 in CALCULUS by anonymous

1 Answer

0 votes

Substitution method

image

Apply the double angle formula sin(2A ) = 2 sin(A ) cos(A ).

image

image

image

image

image

image

image

image

image

Substitute back t = cos(x).

image

image

answered Sep 12, 2014 by david Expert

Related questions

asked Mar 7, 2015 in CALCULUS by anonymous
asked Aug 11, 2014 in CALCULUS by anonymous
asked Aug 15, 2014 in CALCULUS by anonymous
asked Nov 11, 2014 in ALGEBRA 2 by anonymous
asked Sep 22, 2014 in CALCULUS by anonymous
...