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Use Basic Identities to Simplify the Expression $\cos \theta - \cos \theta \sin ^ { 2 } \theta$

Question 130

Multiple Choice

Use basic identities to simplify the expression.
- $\cos \theta - \cos \theta \sin ^ { 2 } \theta$

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

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