document.write( "Question 1060238: Using the sum or difference formulas, find the exact value of sin(255°). Express your answer in the form sin(255°)=-sqrt(a)(sqrt(b)+1)/4 for some numbers a and b. \n" ); document.write( "
Algebra.Com's Answer #675225 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"sin%28%22255%B0%22%29\"\"%22%22=%22%22\"\"sin%28%22120%B0%22%2B%22135%B0%22%29\"\"%22%22=%22%22\"\"sin%28%22120%B0%22%29cos%28%22135%B0%22%29%2Bcos%28%22120%B0%22%29sin%28%22135%B0%22%29\"\"%22%22=%22%22\"\r\n" );
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document.write( "\"%28sqrt%283%29%2F2%29%28-sqrt%282%29%2F2%29%2B%28-1%2F2%29%28sqrt%282%29%2F2%29\"\"%22%22=%22%22\"\"-sqrt%286%29%2F4-sqrt%282%29%2F4\"\"%22%22=%22%22\"\"+%28-sqrt%286%29-sqrt%282%29%29%2F4\"\"%22%22=%22%22\"\"%28-%28sqrt%286%29%2Bsqrt%282%29%29%29%2F4\"\"%22%22=%22%22\"\"-%28sqrt%286%29%2Bsqrt%282%29%29%2F4\"\r\n" );
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document.write( "Edwin
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