To prove `11(pi/3)=660^@`

sin(-11pi)/(3)

sin (- (11pi)/(3))

sin (- (11pi)/(3))

sin((-11pi)/3)

Prove that : tan((11pi)/3)-2sin((9pi)/3)-3/4cosec^2(pi/4)+4cos^2((17pi)/6)=(3-2sqrt(3))/2

Prove tan((11pi)/(3))-2sin((4pi)/(6))-((3)/(4))cosec^(2)((pi)/(4))+4cos^(2)((17pi)/(6)) = (3-4sqrt(3))/(2)

tan A=(5)/(6) andtanB =(1)/(11), prove that A+B=(pi)/(4)

Prove that cos(pi/12)+cos(3pi/12)+cos(9pi/12)+cos(11pi/12)=0

Prove that (sin(-(11pi)/(3))tan((35pi)/(6))sec(-(7pi)/(3)))/(cos((5pi)/(4))cosc((7pi)/(4))cos((17pi)/(6)))= (2)/(sqrt(3))