Q) $\displaystyle tanx + cotx $

Attempt:

$\displaystyle \frac {sin}{cos} + \frac {sin}{cos} $

Q)$\displaystyle sinx + cos^2 * cscx $

$\displaystyle sinx +\frac{cos^2}{sinx} = cos^2 $Attempt:

In addition fractions is it allowed to cross things out ?

These are my attempt, if they are wrong or incomplete please correct them for me.

Thank you very much