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Show That the Point $\left( \frac { 1 } { - 15 } , - \frac { 2 } { \sqrt { 5 } } \right)$

Question 52

Short Answer

Show that the point $\left( \frac { 1 } { - 15 } , - \frac { 2 } { \sqrt { 5 } } \right)$ is on the unit circle.

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