The Polar Coordinates of a Point Are Given $\left( - 9 , \frac { 2 \pi } { 3 } \right)$

question 1

Multiple Choice

The polar coordinates of a point are given. Find the rectangular coordinates of the point.
- $\left( - 9 , \frac { 2 \pi } { 3 } \right)$

• A) \(\left( \frac { 9 } { 2 } , \frac { 9 \sqrt { 3 } } { 2 } \right)\)
• B) \(\left( - \frac { 9 } { 2 } , \frac { 9 \sqrt { 3 } } { 2 } \right)\)
• C) \(\left( \frac { 9 } { 2 } , \frac { - 9 \sqrt { 3 } } { 2 } \right)\)
• D) \(\left( - \frac { 9 } { 2 } , \frac { - 9 \sqrt { 3 } } { 2 } \right)\)

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