Question

(1+cos theta)*(1-cos theta)*(1+cot^2 theta) slove this question​

Answer 1

Answer:

(1+cos θ )(1-cos θ)(1+cot²θ) =1

Step-by-step explanation:

L.H.S,

(1+cos θ )(1-cos θ)(1+cot²θ)

=(1-cos²θ)(1+cot²θ)

=sin²θ×cosec²θ [since sin θ =1 / cosecθ]

=1/cosec²θ × cosec²θ

=1 [R.H.S]