document.write( "Question 615618: verifying identites\r
\n" ); document.write( "\n" ); document.write( "csc(x)*cos^2(x)+sin(x)=csc(x)
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Algebra.Com's Answer #387373 by lwsshak3(11628)\"\" \"About 
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verifying identites
\n" ); document.write( "csc(x)*cos^2(x)+sin(x)=csc(x)
\n" ); document.write( "**
\n" ); document.write( "Start with left side:
\n" ); document.write( "csc(x)*cos^2(x)+sin(x)
\n" ); document.write( "=csc(x)(1-sin^2x)+sin(x)
\n" ); document.write( "=cscx-cscxsin^2x+sinx
\n" ); document.write( "=cscx-(1/sinx)*sin^2x+sinx
\n" ); document.write( "=cscx-sinx+sinx
\n" ); document.write( "=cscx
\n" ); document.write( "verified:
\n" ); document.write( "left side=right side
\n" ); document.write( "
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