Use the Fundamental Identities to Find the Value of the Trigonometric

question 151

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\sin \theta$ , given that $\cos \theta = \frac { 4 } { 7 }$ and $\tan \theta < 0$ .

• A) \(- \frac { \sqrt { 33 } } { 7 }\)
• B) \(- \frac { 7 } { 4 }\)
• C) \(- \sqrt { 33 }\)
• D) \(- \frac { \sqrt { 33 } } { 4 }\)

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