Answer
$$4\tan \left(t\right)$$
Work Step by Step
Simplifying the expression using the Laws of Trigonometry, we find:
$$\sec \left(t\right)\sin \left(t\right)+3\tan \left(t\right) \\ \tan \left(t\right)+3\tan \left(t\right) \\ 4\tan \left(t\right)$$