find the value of `theta` if `(sin^(2)theta)/(1-sin^(2)theta)=3`

If sectheta=(3)/(2) ,then find value of (2costheta-tan^(2)theta)/(sin^(2)theta+1) .

Find the general value of theta 4 sin ^(2) theta =1

If "cosec" theta = sqrt5 , find the value of : 2+1/(sin^2theta)-(cos^2theta)/(sin^2theta)

Find the value of sin^(2)theta*sec^(2)theta .

If "cosec" theta = sqrt(5) , find the value of (i) 2-sin^(2)theta - cos^(2)theta (ii) 2 + (1)/(sin^(2)theta) - (cos^(2)theta)/(sin^(2)theta)

If cottheta=1/(sqrt(3)) , find the value of (1-cos^2theta)/(2-sin^2theta)

Find real value of theta for which (3+2i sin theta)/(1-2i sin theta) is purely real.

Find the value of (1+cos theta+sin theta)/(1-cos theta +sin theta)

If sin theta = cos theta find the value of : 3 tan ^(2) theta+ 2 sin ^(2) theta -1

sintheta=(1)/(sqrt(2)) ,then find the value of 3sin ^(2)theta-4sin^(3)theta*costheta .