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Use the Appropriate Reciprocal Identity to Find the Function Value $\cos \theta$

Question 38

Multiple Choice

Use the appropriate reciprocal identity to find the function value. Rationalize the denominator if necessary.
- $\cos \theta$ , if $\sec \theta = - 3$

A) $- \frac { 1 } { 3 }$
B) $\frac { 1 } { 3 }$
C) $\frac { 1 } { 2 }$
D) $- \frac { 1 } { 2 }$

Use the Appropriate Reciprocal Identity to Find the Function Value cos⁡θ\cos \thetacosθ

Multiple Choice

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Use the Appropriate Reciprocal Identity to Find the Function Value $\cos \theta$

Correct Answer:
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