I need to use
$\cot Q+\tan Q=2\csc 2Q$
to integrate
$$\int \csc 2Q\,\mathrm{d}Q.$$
the integral becomes $$\frac12\int\left(\frac{\cos Q}{\sin Q} + \frac{\sin Q}{\cos Q}\right)\,\mathrm{d}Q$$
Is it possible to use substitution, what are other methods?