What is the value of (1+cot2θ)(1-cos2θ).

1 0 \(\frac{1}{\sqrt {2}}\) Cannot be determined

1

(1+cot2θ)(1-cos2θ)  [Put θ = 45°] ⇒ cosec2θ×sin2θ ⇒ \(\frac{1}{sin^2θ}\)×sin2θ = 1