Use the Fundamental Identities to Find the Value of the Trigonometric

question 81

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\sin \theta$ , given that $\cos \theta = \frac { 4 } { 9 }$ and $\theta$ is in quadrant IV.

• A) \(- \frac { \sqrt { 65 } } { 4 }\)
• B) \(- \sqrt { 65 }\)
• C) \(- \frac { 9 } { 4 }\)
• D) \(- \frac { \sqrt { 65 } } { 9 }\)

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