Free ACT Practice Question

Which of the following statement(s) is/are correct about the angle $\dfrac{13\pi}{4}$ radians?

1. It is equivalent to $585^\circ$.
2. The value of $\tan\dfrac{13\pi}{4}$ is $-1$.
3. The value of $\cos\dfrac{13\pi}{4}$ is $\dfrac{1}{\sqrt{2}}$.