document.write( "Question 1204627: If
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Algebra.Com's Answer #841014 by ikleyn(52805)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "In the post by @MathLover1, her answer to (a),  \"sin%28x%2F2%29\" = \"-%285%2Asqrt%2829%29%29%2F29%29\", is incorrect.\r\n" );
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document.write( "To determine the correct answer, we should analyze in which quadrant the angle \"x%2F2\" lies.\r\n" );
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document.write( "Since angle x is in QIII, we conclude that \"x%2F2\" lies in QII.\r\n" );
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document.write( "Hence,  \"sin%28x%2F2%29\"  must be POSITIVE  in this problem.\r\n" );
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document.write( "THEREFORE, the correct answer to (a) is  \"sin%28x%2F2%29\" = \"%285%2Asqrt%2829%29%29%2F29%29\",\r\n" );
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document.write( "           the opposite number to the answer by @MathLover1.\r\n" );
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document.write( "Similarly, in her post, the answer to (c),  \"tan%28x%2F2%29\" = \"5%2F2%29\", is incorrect.\r\n" );
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document.write( "Again, the angle \"x%2F2\"  lies in QII, where  tangent is always negative.\r\n" );
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document.write( "THEREFORE, the correct answer to (c) is  \"tan%28x%2F2%29\" = \"-5%2F2%29\",\r\n" );
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document.write( "           the opposite number to the answer by @MathLover1.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Hello, could you take care about your posts, in order for they come in good format ?\r
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