## Trending News

Promoted

Anonymous

# can someone solve this ?

1+tgx / 1-tgx

final result should be

2 / 1-sin2x

Thanx

### 1 Answer

Relevance

- Curt MonashLv 71 decade agoFavorite Answer
Is tgx something like tan x?

If so, then I'd multiply top and bottom by cos x.

That gives (cos + sin)/(cos - sin)

Multiply top and bottom by (cos - sin) gives the denominator you want, but doesn't seem to give the numerator you want. Hmm ...

Still have questions? Get your answers by asking now.