Respuesta :

[tex]\theta =\cfrac{20\pi }{3}\implies \theta =\cfrac{6\pi +6\pi +6\pi +2\pi }{3} \\\\\\ \theta =\cfrac{6\pi }{3}+\cfrac{6\pi }{3}+\cfrac{6\pi }{3}+\cfrac{2\pi }{3}\implies \theta =2\pi +2\pi +2\pi +\cfrac{2\pi }{3}[/tex]

Check the picture below.

Ver imagen jdoe0001
RELAXING NOICE
Relax