document.write( "Question 39644: what is the exact value of 6cos(-61pie/6) - 2sin(13pie/4) \n" ); document.write( "
Algebra.Com's Answer #25097 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! what is the exact value of 6cos(-61pie/6) - 2sin(13pie/4) \n" ); document.write( "=6COS(61PI/6)-2SIN{2PI+PI+(PI/4)} \n" ); document.write( "=6COS{2*5PI+(PI/6)}-2SIN{PI+(PI/4)} \n" ); document.write( "=6COS(PI/6)+2SIN(PI/4) \n" ); document.write( "=6*SQRT(3)/2+2*1/SQRT(2) \n" ); document.write( "=3*1.732+SQRT(2) \n" ); document.write( "=5.196+1.414=6.61 \n" ); document.write( " |