document.write( "Question 1037444: How to solve cos(3pi+pi/4) \n" ); document.write( "
Algebra.Com's Answer #652070 by ikleyn(52803)\"\" \"About 
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\n" ); document.write( "\"cos%283pi%2Bpi%2F4%29\" = \"-sqrt%282%29%2F2\".
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