Question

`tanxsinx + cosxtanx=`?

Answer 1

`tanxsinx+cosxtanx=(sin^2x)/cosx+sinx`

Explanation:

We use the following identity

`tanx=sinx/cosx`

So

`sinxtanx+costanx=sinxsinx/cosx+cosxsinx/cosx=(sin^2x)/cosx+sinx`