Question

Evaluate :
3cot^2thetha-3cosec^2thetha

Answer 1

Plz find attachment.

Answer 2

Answer:

Step-by-step explanation:

Cot^2 theta+1=cosec^2theta

Cot^2theta-cosec^2theta= -1

Now

3cot^2theta-3cosec^2theta

3(cot^2 theta-cosec^2theta)

3(-1)

-3