Answer:
[tex]\frac{\pi }{6}[/tex]
Step-by-step explanation:
[tex]\frac{7\pi }{6}[/tex] is an angle in the third quadrant
To find the reference angle subtract π from it
reference angle = [tex]\frac{7\pi }{6}[/tex] - π = [tex]\frac{\pi }{6}[/tex]
