document.write( "Question 1075800: Sin420°cos390 - cos(-300°)sin(-330°) \n" ); document.write( "
Algebra.Com's Answer #690456 by MathTherapy(10810) You can put this solution on YOUR website! \n" ); document.write( "Sin420°cos390 - cos(-300°)sin(-330°) \n" ); document.write( " \n" ); document.write( " |