document.write( "Question 1018512: PROVE THAT:
\n" ); document.write( "sinx.cosx=-1
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Algebra.Com's Answer #634596 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "sinx.cosx=-1
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\n" ); document.write( "That is NEVER true!\r
\n" ); document.write( "\n" ); document.write( "Can't prove TRUE what is NEVER true. \n" ); document.write( "
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