Which of the following expressions has the same value as $\tan (-45°)$?

Which of the following represents the polar equation $r=(\tan 2\pi )(\csc \pi )$ as a rectangular equation?

On the unit circle, in which quadrant are both $\cos$ and $\cot$ negative?

For the function $f\left(x\right)=\sin \left(x\right)$ on the unit circle, what is its minimum value?

On the unit circle, what relationship do the ratios $\frac{\sin x}{1}$ and $\frac{\cos y}{1}$ share for any real values of $x$ and $y$?

Which of the following explains why $\cos (60°)$ equals $\sin (30°)$ using the unit circle?

Figure 10.1 should remind you of trigonometric functions you've seen before. Which of the following functions is most directly represented by the coordinates of a point on the unit circle at an angle $\theta$ from the positive x-axis?

Which of the following situations can be modeled with a periodic function?

Which of the following steps correctly explains how to find the exact value of $\sin (570°)$ on the unit circle?