Question

Express (sec²x-1)(cot²x)

Answer 1

Answer: 1

Step-by-step explanation:

sec²x-1 = tan²x

And, cot²x = 1/tan²x

So, just put the above value in question

(sec²x-1)(cot²x) = tan²x(cot²x)

= tan²x/tan²x

= 1 ______(Ans.)

Thanks!