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

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

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

Find the value of : cot ((-15 pi)/4) .

Sec ((15pi)/4) =

The value of cot((7pi)/16)+2cot((3pi)/8)+cot((15pi)/16) is (a) 4 (b) 2 (c) -2 (d) -4

The value of cot((7pi)/16)+2cot((3pi)/8)+cot((15pi)/16) is (a) 4 (b) 2 (c) -2 (d) -4

The value of cot((7pi)/16)+2cot((3pi)/8)+cot((15pi)/16) is (a) 4 (b) 2 (c) -2 (d) -4

cot. (pi)/(20) cot. (3pi)/(20) cot. (5pi)/(20) cot. (7pi)/(20) cot. (9pi)/(20) cot. (15pi)/(20)=

Prove that cot((pi)/(4) + 0) cot ((pi)/(4) - 0) =1 .

If (-pi)/(2) < theta < (pi)/(2) " and " theta ne pm (pi)/(4), then the value of cot ((pi)/(4) + theta) cot ((pi)/(4) - theta) is