Question

How do you simplify `csc^2 3a - cot^2 3a`?

Answer 1

1

Explanation:

We know that,

`color(red)(csc^2x-cot^2x=1`

Let, `x=3a`

`:.csc^2(3a)-cot^2(3a)=1`

Is it simple to simplify ?