" (v) "cot((15 pi)/(4))

cot((-15pi)/4)

cot(-15pi)/(4)

Find the values of the following trignometric ratios: (a) cos 855^(@) , (b) sin 4530^(@) ( C) tan (-585^(@)) (d) cot((-15pi)/(4))

cot (- (15pi)/(4))

cot (- (15pi)/(4))

cot (- (15pi)/(4))

cot (- (15pi)/(4))

Find the values of the trigonometric function cot (-(15 pi)/(4))