Determine two coterminal angles (one positive and one negative) for $\theta = \frac { 5 \pi } { 6 }$.
A) $\frac { 11 \pi } { 6 } , - \frac { 13 \pi } { 6 }$
B) $\frac { 19 \pi } { 6 } , - \frac { 17 \pi } { 6 }$
C) $\frac { 17 \pi } { 6 } , - \frac { 7 \pi } { 6 }$
D) $\frac { 13 \pi } { 6 } , - \frac { 7 \pi } { 12 }$
E) $\frac { 5 \pi } { 3 } , - \frac { 7 \pi } { 18 }$

Question

Quizplus · Accepted Answer

To find coterminal angles, add and subtract $2\pi$ (or $\frac{12\pi}{6}$) from $\frac{5\pi}{6}$. This gives $\frac{17\pi}{6}$ (positive) and $-\frac{7\pi}{6}$ (negative).

Determine Two Coterminal Angles (One Positive and One Negative) For \theta