document.write( "Question 139726: prove or disprove without a calculator.\r
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document.write( "1. sin(pi/2 + theta) = cos theta
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Algebra.Com's Answer #101845 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! Can't render theta on this site, so I'll use something else\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |