document.write( "Question 950780: (1-cos)(1+cos) = sin^2
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Algebra.Com's Answer #580621 by josgarithmetic(39630) $\"\"$ $\"About$

You can put this solution on YOUR website!
Right side member gives difference of two squares.\r
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\n" ); document.write( "\n" ); document.write( " $\"1-cos%5E2%28x%29=sin%5E2%28x%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"1-cos%5E2%28x%29%2Bcos%5E2%28x%29=sin%5E2%28x%29%2Bcos%5E2%28x%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"1=sin%5E2%28x%29%2Bcos%5E2%28x%29\"$ , an identity. Not an equation to solve. \n" ); document.write( "

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