Trigonometry Practice Test

For an angle $\theta$ such that $0 < \theta < \dfrac{\pi}{2}$, it is known that $\sin(\theta) = \dfrac{3}{5}$. What is the value of $\cos(\theta) + \tan(\theta)$?

What is the period of the trigonometric function $f(x) = 3\sin!\left(\dfrac{\pi}{2}x\right) - 4$?