Hello helpers!

I have been sitting here for about an hour and a half stumped on this question relating to trig expressions.

It reads-

Factor and simplify the following:

tan(θ) x sin^2(θ) + tan(θ) x cos^2(θ)

then

Find ALL solutions. No restrictions.

2sin[^2]2x=1

Thank you for those of you who try to help me out! You are greatly appreciated!

-Margo