If `cos x = - (1)/(3)`, `x` lies in III quardrnat, then find the values of `sin(x/2), cos (x/2) and tan (x/2)`.

If tan x = -(4)/(3), (pi)/(2) lt x lt pi , then find the value of sin(x/2), cos(x/2) and tan(x/2) .

If cos x=\ -3/5a n d\ x lies in the IIIrd quadrant, find the values of cos(x/2),sin(x/2)a n d\ sin2xdot

If sinx=(sqrt(5))/3a n d\ x lies in IInd quadrant, find the values of cos(x/2),sin(x/2)a n d tan(x/2)dot

If cos x=-3/5a n d\ x lies in IInd quadrant, find the values of sin2x\ a n dsin(x/2)dot

If tanx=3/4, piltxlt(3pi)/2, find the value of sin(x/2) , cos(x/2), tan(x/2)

If cos x=- (1)/(3) and x lies in Quadrant III find the values of (i) " sin " .(x)/(2) , (ii) " cos " .(x)/(2) , (iii) " tan ".(x)/(2)

If tanx=3/4, pi < x < (3pi)/2 , find the values of sin x/2 , cos x/2 and tan x/2.

If sin x = 1/4 , pi/2 lt x lt pi , find the values of cos\ x/2 and tan\ x/2 .

If cos^(-1).(6x)/(1 + 9x^(2)) = -(pi)/(2) + 2 tan^(-1) 3x , then find the values of x

If tan x =1(1)/3 , find the value of : 4 sin^2x -3 cos^2x +2