document.write( "Question 949690: expand and simplify cos(270 degrees-theta) \n" ); document.write( "
Algebra.Com's Answer #579942 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! expand and simplify cos(270 degrees-theta) \n" ); document.write( "------- \n" ); document.write( "Ans: cos(270)cos(t) + sin(270)sin(t) \n" ); document.write( "---- \n" ); document.write( "= 0*cos(t) + (-1)(sin(t)) \n" ); document.write( "==== \n" ); document.write( "= 0 - sin(t) \n" ); document.write( "---- \n" ); document.write( "= -sin(t) \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------------- \n" ); document.write( " |