If `costheta=3//7,and theta` lies in the fourth quadrant, evaluate : `sin(theta//2),cos(theta//2),tan(theta//2).`

If cos theta=(3)/(5) and theta lies in the fourth quadrant find the value of cos ec theta+cot theta

If cos theta = 3/5 and theta lies in the fourth quadrant, find the value of cosec theta + cot theta.

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

If tan theta = -1/sqrt(5) and theta lies in the fourth quadrant, then: cos theta =

If sin theta+cos theta=0 and theta lies in the fourth quadrant,find sin theta and cos theta

if tan theta=-(1)/(sqrt(10)) and theta lies in the fourth quadrant then cos theta

If sin theta = - (3)/(5) and theta lies in the third quadrant, then the value of cos (theta//2) is

If cos theta =7/25 and theta is an angle in the fourth quadrant, find the value of (25 cos theta -7 tan theta)/(cos theta-sin theta) .

If tan theta=3 and theta lies in third quadrant then sin theta=