Use an Identity to Write the Expression as a Single $\sec ^ { 4 } x + \sec ^ { 2 } x \tan ^ { 2 } x - 2 \tan ^ { 4 } x$

question 242

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $\sec ^ { 4 } x + \sec ^ { 2 } x \tan ^ { 2 } x - 2 \tan ^ { 4 } x$

• A) \(\tan ^ { 2 } x - 1\)
• B) \(3 \sec ^ { 2 } x - 2\)
• C) \(4 \sec ^ { 2 } x\)
• D) \(\sec ^ { 2 } x + 2\)

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