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Complete the Identity cos⁡θ−cos⁡θsin⁡2θ=\cos \theta - \cos \theta \sin ^ { 2 } \theta =

Question 312

Multiple Choice

Complete the identity.
- cos⁡θ−cos⁡θsin⁡2θ=\cos \theta - \cos \theta \sin ^ { 2 } \theta = ?


A) cos⁡3θ\cos ^ { 3 } \theta
B) tan⁡2θ\tan ^ { 2 } \theta
C) sin⁡θ\sin \theta
D) sec⁡2θ\sec ^ { 2 } \theta

Correct Answer:

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