" 9."sin(-(11 pi)/(3))

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

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

sin(-11pi)/(3)

sin((-11pi)/3)

Value of sin (-(11pi )/( 3)) is

Find the values of sin (-(11pi)/(3)) .

(sin (- (11 pi) / (3)) * sec (- (7 pi) / (3))) / (cot ((5 pi) / (4)) csc ((7 pi) / (4) )) =

The principal value of the arg(z) and lzl of the complex number z=1+cos((11 pi)/(9))+i sin((11 pi)/(9)) are respectively