Using a Sum or Difference Identity, Write the Following as an Expression

question 214

Multiple Choice

Using a sum or difference identity, write the following as an expression involving functions of x.
- $\sin ^ { 2 } x \left( \cot ^ { 2 } x + 1 \right)$

• A) \(- 1\)
• B) 1
• C) \(\cos ^ { 2 } x + 1\)
• D) \(\tan ^ { 2 } x\)

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