Question

simpilify (1-cos tita)(1+cos tita)(1+cot2 tita).​

Answer 1

Answer:

1

Explanation:

(1−cosθ)(1+cosθ)(1+cot2 θ)

=[(1−cosθ)(1+cosθ)(1+cot2 θ)]

=(1−cos2 θ)(1+cot2 θ)

=sin2 θ.cosec2θ

=sin2 θ⋅ 1/sin2 θ

=1

Hope this helps you :)