Find the exact circular function value.
-$$\cos \frac { - 2 \pi } { 3 }$$
A) undefined
B) $\frac { \sqrt { 3 } } { 2 }$
C) $- \frac { \sqrt { 3 } } { 2 }$
D) $- \frac { 1 } { 2 }$

Question

Quizplus · Accepted Answer

The Answer of Find the exact circular function value.
-$$\cos \frac { - 2 \pi } { 3 }$$
A) undefined
B) $\frac { \sqrt { 3 } } { 2 }$
C) $- \frac { \sqrt { 3 } } { 2 }$
D) $- \frac { 1 } { 2 }$

Find the Exact Circular Function Value cos⁡−2π3\cos \frac { - 2 \pi } { 3 }cos3−2π​

Find the Exact Circular Function Value $\cos \frac { - 2 \pi } { 3 }$