Suppose That $\theta$ Is in Standard Position and the Given Point Is on Point

question 25

Multiple Choice

Suppose that $\theta$ is in standard position and the given point is on the terminal side of $\theta$ . Give the exact value of the indicated trig function for $\theta$ . Rationalize the denominator if necessary. If the function is undefined, say so.
- $( - 4,7 )$ ; find $\cos \theta$

• A) \(- \frac { 7 } { 4 }\)
• B) \(- \frac { 4 } { 7 }\)
• C) \(\frac { 7 \sqrt { 65 } } { 65 }\)
• D) \(- \frac { 4 \sqrt { 65 } } { 65 }\)

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