Unit Circle · Exercise 6

Use the given sign of the sine and cosine functions to find the quadrant in which the terminal point determined by $t$ lies.

$\text{sin}\left(t\right)<0$ and $\text{cos}\left(t\right)<0$

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Algebra and Trigonometry 2e · §7.3 Unit Circle · Exercise 6