Considering the Given Value of T, Choose the Ordered Pair $$\mathrm { x } = \sin \mathrm { t } , \mathrm { y } = \cos \mathrm { t } ; \mathrm { t } = \frac { 2 \pi } { 3 }$$

Multiple Choice

Considering the given value of t, choose the ordered pair that lies on the graph of the given pair of parametric equations.
- $$\mathrm { x } = \sin \mathrm { t } , \mathrm { y } = \cos \mathrm { t } ; \mathrm { t } = \frac { 2 \pi } { 3 }$$

A) $\left( - \frac { 1 } { 2 } , \frac { \sqrt { 3 } } { 2 } \right)$
B) $\left( \frac { \sqrt { 3 } } { 2 } , - \frac { 1 } { 2 } \right)$
C) $\left( \frac { 1 } { 2 } , - \frac { \sqrt { 3 } } { 2 } \right)$
D) $\left( - \frac { \sqrt { 3 } } { 2 } , \frac { 1 } { 2 } \right)$