Question

( 1 + cot square theta) (1 - cos theta) (1 + cos theta) = 1
prove this question for me

Answer 1

1+ cot² theta = cosec² theta. .

okkk 1- cos²theta= sin²theta. .
so cosec²theta× sin²theta = 1


....hp

Answer 2

hope this helps :)

(Ignore the part written in black ink)