document.write( "Question 1039994: cos(A-B)-sin(A+B)
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Algebra.Com's Answer #654788 by Aldorozos(172) ![]() You can put this solution on YOUR website! Cosacosb -sinasinb -(cosacosb+sinasinb)= 2cosacosb \n" ); document.write( " \n" ); document.write( " |