document.write( "Question 1157057: Prove that (sinA-2cosA)^+(2sinA+cosA)^=5 \n" ); document.write( "
Algebra.Com's Answer #779854 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"%28sin%28A%29-2cos%28A%29%29%5E2%2B%282sin%28A%29%2Bcos%28A%29%29%5E2=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"1%2B4%2A1=5\"\r
\n" ); document.write( "\n" ); document.write( "\"5=5\"
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