document.write( "Question 1101356: Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine, as in Example 4.
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Algebra.Com's Answer #715961 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The formulas we use are\r\n" );
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document.write( "\"cos%5E2%28theta%29\"\"%22%22=%22%22\"\"expr%281%2F2%29%281%2Bcos%282theta%29%5E%22%22%29\"\r\n" );
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document.write( "\"sin%5E2%28theta%29\"\"%22%22=%22%22\"\"expr%281%2F2%29%281-cos%282theta%29%5E%22%22%29\"\r\n" );
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document.write( "-----------------------------\r\n" );
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document.write( "\"cos%5E2%28x%29sin%5E4%28x%29\"\r\n" );
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document.write( "\"expr%281%2F2%29%281%2Bcos%282x%29%5E%22%22%29%28sin%5E2%28x%29%5E%22%22%29%5E2\"\r\n" );
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document.write( "\"expr%281%2F2%29%281%2Bcos%282x%29%5E%22%22%29expr%281%2F4%29%281-cos%282x%29%5E%22%22%29%5E2\"\r\n" );
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document.write( "\"expr%281%2F8%29%281%2Bcos%282x%29%5E%22%22%29%281-2cos%282x%29%2Bcos%5E2%282x%29%29\"\r\n" );
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document.write( "\"expr%281%2F16%29%281%2Bcos%282x%29%5E%22%22%29%283-4cos%282x%29%2Bcos%284x%29%5E%22%22%29\"\r\n" );
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document.write( "\"expr%281%2F16%29%283-cos%282x%29%2Bcos%284x%29-4cos%5E2%282x%29%2Bcos%282x%29cos%284x%29%29\"\r\n" );
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document.write( "\"expr%281%2F16%29%281-cos%282x%29%5E%22%22-cos%284x%29%2Bcos%282x%29cos%284x%29%29\"\r\n" );
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document.write( "Edwin
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