Question

(1 - cot theta) (1 + cot theta) (1 + cot square theta)​

Answer 1

Answer:

Step-by-step explanation:

(1-cot theta)(1+cot theta)=(1-cot^2 theta)

(1-cot^2 theta)(1+cot^2 theta)

(1-(1-cosec^2 theta))(cosec^2 theta)

cosec^2theta x cosec^2 theta

=cosec^4theta