Question

`(1 + tan^2A)/(1 + cot^2A)` = ?

विकल्प

• –1

• sec²A

• tan²A

• cot²A

Answer 1

tan²A

Explanation:

`(1 + tan^2A)/(1 + cot^2A) = (sec^2A)/("cosec"^2A)`

= `(sin^2A)/(cos^2A)`

= tan²A