document.write( "Question 961016: If sin A= -1/squareroot of 5 with A in QII, find sin 2A. \n" ); document.write( "
Algebra.Com's Answer #587332 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! If sin A= -1/squareroot of 5 with A in QII, find sin 2A \n" ); document.write( "*** \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "sin2A=2cosAsinA=2*√5/5*2√5/5=20/25=4/5 \n" ); document.write( " |