Answer
$-210^\circ$
Work Step by Step
Use the conversion $1\ rad = \frac{180}{\pi}^\circ$, we have $-\frac{7\pi}{6} =-\frac{7\pi}{6} \times \frac{180}{\pi}=-210^\circ$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.