Simplify the Expression to Either 1 or -1 $$- \sin ^ { 2 } x - \cos ^ { 2 } x$$

question 48

Multiple Choice

Simplify the expression to either 1 or -1.
- $$- \sin ^ { 2 } x - \cos ^ { 2 } x$$

• A) 1
• B) \(- 1\)

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