If `tanx=3/4` ,`pi lt xlt (3pi)/ 2`, then find the value of `cos (x/2)`

If tan x = 3/4, pi lt x lt (3pi)/(2), then the value of cos ""x/2 is

If tan x=(3)/(4),pi

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 tan x=(3)/(4) and pi

If cosx =(-1)/(3) and pi lt x lt (3pi)/(2) Find the value of cos (x/2) , tan (x/2)

If tan x=(3)/(4) " and " pi lt x lt .(3pi)/(2) find the value of (i) sin.(x)/(2) , (ii) cos .(x)/(2) , (iii) tan .(x)/(2)

If tanx=3/4,pi

If tan x=3/4,pi

If pi lt theta lt (3pi)/(2) , then find the value of sqrt((1-cos2theta)/(1+cos 2 theta)) .