document.write( "Question 1038722: Write the trigonometric expression as an algebraic expression.
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Algebra.Com's Answer #653458 by ikleyn(52775)\"\" \"About 
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\n" ); document.write( "Write the trigonometric expression as an algebraic expression.
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document.write( "Apply the formula for  \"sin%28alpha%2Bbeta%29\".  It is\r\n" );
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document.write( "\"sin%28alpha%2Bbeta%29\" = \"sin%28alpha%29%2Acos%28beta%29+%2B+cos%28alpha%29%2Asin%28beta%29\".\r\n" );
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document.write( "Now,  \"sin%28arcsin%28x%29%29\" = \"x\"  and  \"cos%28arcsin%28x%29%29\" = \"sqrt%281-x%5E2%29\". \r\n" );
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document.write( "Therefore,\r\n" );
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document.write( "\"sin%28arcsin%28x%29+%2B+arccos%28x%29%29\" = \"x%2Asqrt%281-x%5E2%29+%2B+sqrt%281-x%5E2%29%2Ax\" = \"2x%2Asqrt%281-x%5E2%29\".\r\n" );
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