document.write( "Question 1143067: Probar la identidad: \"2sin%5E2%282T%29%2Bcos%284T%29+=+1\"
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Algebra.Com's Answer #763844 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"2sin%5E2%282T%29%2Bcos%284T%29+=+1\"\r\n" );
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document.write( "Usa la identidad:\"cos%282theta%29=2cos%5E2%28theta%29-1\"\r\n" );
document.write( "para \"cos%284T%29=1-2sin%5E2%282T%29-1\"\r\n" );
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document.write( "\"2sin%5E2%282T%29%2B1-2sin%5E2%282T%29=+1\"\r\n" );
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document.write( "\"cross%282sin%5E2%282T%29%29%2B1-cross%282sin%5E2%282T%29%29=+1\"\r\n" );
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document.write( "\"1=1\"\r\n" );
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document.write( "Edwin
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