Question

If cotθ = 1/√3 write the value of (1-cos^2 θ)/ (2- sin^2θ)

Answer 1

cot thetha = 1/√3 = cot 30°
(1-cos^2 30°)/(2-sin^2 30°) = sin^2 30° / (1-cos^2 30°)
=sin^2 30°/sin^2 30°
=1..