If `sintheta=(2t)/(1+t^2)` and `theta` lies in 2nd quadrant ,then `costheta` is equal to

If sintheta=(2t)/(1+t^2) and theta lies in the second quadrant then costheta is equal to

If sin theta = (2t)/(1+t^(2)) and theta lies in the second quadrant, then cos theta is equal to

If sintheta=(-4)/(5)andtheta lies in third quadrant then "cos"(theta)/(2) =

If sintheta=(-4)/5 and theta lies in the third quadrant, then cos(theta/2) =

If sintheta=(12)/(13)a n d\ theta lies in the second quadrant, find the values of s e ctheta+t a nthetadot

If sintheta=(12)/(13)a n d\ theta lies in the second quadrant, find the values of s e ctheta+t a nthetadot

If costheta=-(1)/(2)andtheta lies in third quadrant ,then what will be the value of sintheta+tantheta

If sintheta+costheta=0 and theta lies in the fourth quadrant, find sintheta and costheta

Suppose that costheta=-1/2 and theta is in the 2nd quadrant.Fill in the blanks by choosing the correct answer from the bracket sintheta=………… , tantheta =………………

Suppose that costheta=-1/2 and theta is in the 2nd quadrant prove that (4tantheta+4sintheta)/(3costheta-3sintheta)=(4sqrt3)/(3(1+sqrt3))