document.write( "Question 590169: Solve \"sin%5E2%28x%29\" = \"3cos%5E2%28x%29\" \n" ); document.write( "
Algebra.Com's Answer #375061 by Edwin McCravy(20060)\"\" \"About 
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\"sin%5E2%28x%29\" = \"3cos%5E2%28x%29\"
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document.write( "Divide both sides by cos²(x)\r\n" );
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document.write( "\"sin%5E2%28x%29%2Fcos%5E2%28x%29\" = 3\r\n" );
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document.write( "\"%28sin%28x%29%2Fcos%28x%29%29%5E2\" = 3\r\n" );
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document.write( "tan²(x) = 3\r\n" );
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document.write( "tan(x) = ±\"sqrt%283%29\"\r\n" );
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document.write( "x = 60° and 240° if in degrees\r\n" );
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document.write( "x = \"pi%2F3\" and \"4pi%2F3\" if in radians\r\n" );
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document.write( "Edwin
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