Question

Prove that :(sec^2 A-1)(cosec^2 A-1)=1

Answer 1

THIS IS CORRECT AND ACCURATE ANSWER OF YOUR QUESTION

Answer 2

Answer:

we know

tan²a +1 = sec²a

so,

sec²a - 1 = tan²A

and 1 + cot²a = cosec²A

so

cosec²A - 1 = cot ² A