document.write( "Question 1086313: If sin(x) + sin^2(x) = 1, then the value of cos^12(x) + 3cos^10(x) + 3cos^8(x) + cos^6(x) - 2 is ?
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Algebra.Com's Answer #700535 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Plots y = $\"sin%28x%29+%2B+sin%5E2%28x%29\"$ (red) and y = 1 (green)\r
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document.write( "1.   = 1  ====>   = 0  =====>\r\n" );
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document.write( "    solve this quadratic equation for sin(x) to get a single value for sin(x) = .\r\n" );
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document.write( "2.   = 1  ====>  sin(x) =  = .\r\n" );
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document.write( "    Thus  = .\r\n" );
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document.write( "3.   =  =  = \r\n" );
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document.write( "    =  .  =  = 1.\r\n" );
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document.write( "4.  ====>   = 1 - 2 = -1.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. -1.\r
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