document.write( "Question 937195: Evaluate the integral of (cos^3 x)^7 dx from x=0 to x=pi/6 \n" ); document.write( "
Algebra.Com's Answer #570634 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Do you mean \"%28cos%283x%29%29%5E7\" or \"%28cos%28x%29%29%5E21\"?
\n" ); document.write( "Either way, you'll have to use integration by parts multiple times to get the final answer and you'll have a lot of terms.
\n" ); document.write( "Please repost.
\n" ); document.write( "
\n" );