Question

Cot square-tan square =cosec square-sec square

Answer 1

Cso 983 djsj382bzndii3nsixiie

Answer 2

We have :-

=> cot²A - tan²A = cosec²A - sec²A

Solving LHS :-

=> cosec²A - 1 - sec²A + 1

{Since, cot²A = cosec²A - 1 and, tan²A = sec²A - 1}

=> cosec²A - sec²A

Q.E.D.

Hope it'll help you.....