document.write( "Question 229537: Evaluate the following indefinite integral:
\n" ); document.write( "x sin(x) cos(x) dx \r
\n" ); document.write( "\n" ); document.write( "(use the formula sin(2x) = 2sin(x) cos(x))
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Algebra.Com's Answer #170160 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
See this --> http://www.wolframalpha.com/input/?i=x+sin(x)+cos(x)+
\n" ); document.write( "Scroll down to indefinate integral and click shows steps.\r
\n" ); document.write( "\n" ); document.write( "wolframalpha is a great tool, use it to help check your answers when needed
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