Use Identities to Find the Indicated Value for Each Angle $\theta = 10 ^ { \circ }$

question 138

Multiple Choice

Use identities to find the indicated value for each angle measure.
-sin ϴ = cos (4ϴ + 60°)

• A) \(\theta = 10 ^ { \circ }\)
• B) \(\theta = 6 ^ { \circ }\)
• C) \(\theta = 16 ^ { \circ }\)
• D) \(\theta = 75 ^ { \circ }\)

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