Use a Sum or Difference Identity to Find the Exact $$\frac { \sin \theta } { 1 + \sin \theta } - \frac { \sin \theta } { 1 - \sin \theta }$$

question 141

Multiple Choice

Use a sum or difference identity to find the exact value.
- $$\frac { \sin \theta } { 1 + \sin \theta } - \frac { \sin \theta } { 1 - \sin \theta }$$

• A) \(\sec \theta \csc \theta\)
• B) \(- 2 \tan ^ { 2 } \theta\)
• C) \(1 + \cot \theta\)
• D) \(\sin \theta \tan \theta\)

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