Use periodic properties of the trigonometric functions to find the exact value of the expression.
-$\cos \frac { 16 \pi } { 3 }$
A) $- \frac { 1 } { 2 }$
B) $- \frac { \sqrt { 3 } } { 2 }$
C) $\frac { \sqrt { 3 } } { 2 }$
D) $\frac { 1 } { 2 }$

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The Answer of Use periodic properties of the trigonometric functions to find the exact value of the expression.
-$\cos \frac { 16 \pi } { 3 }$
A) $- \frac { 1 } { 2 }$
B) $- \frac { \sqrt { 3 } } { 2 }$
C) $\frac { \sqrt { 3 } } { 2 }$
D) $\frac { 1 } { 2 }$

Use Periodic Properties of the Trigonometric Functions to Find the Exact