document.write( "Question 317449: simplify the following, where k is any integer cos(2kpi-theta)(-sin(2kpi-theta)) \n" ); document.write( "
Algebra.Com's Answer #227307 by stanbon(75887) ![]() You can put this solution on YOUR website! cos(2kpi-theta)(-sin(2kpi-theta)) \n" ); document.write( "--- \n" ); document.write( "= cos(-x)*(-sin(-x) \n" ); document.write( "--- \n" ); document.write( "= cos(x)*(sin(x) \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |