Find the Point $( x , y )$ On the Unit Circle Corresponding to the Real Number

question 70

Multiple Choice

Find the point $( x , y )$ on the unit circle corresponding to the real number $t = - \frac { 7 \pi } { 6 }$ .

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

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