A Point on the Terminal Side of Angle θ Is $\left( - \frac { 1 } { 5 } , \frac { 1 } { 2 } \right)$

question 158

Multiple Choice

A point on the terminal side of angle θ is given. Find the exact value of the indicated trigonometric function of θ.
- $\left( - \frac { 1 } { 5 } , \frac { 1 } { 2 } \right)$ Find $\cos \theta$ .

• A) \(- \frac { 2 \sqrt { 29 } } { 29 }\)
• B) \(\frac { 5 \sqrt { 29 } } { 29 }\)
• C) \(- \frac { 29 } { 5 }\)
• D) \(\frac { 29 } { 2 }\)

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