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Factor the Trigonometric Expression and Simplify $\tan ^ { 4 } x - \sec ^ { 4 } x$

Question 10

Multiple Choice

Factor the trigonometric expression and simplify.
- $\tan ^ { 4 } x - \sec ^ { 4 } x$

A) $\sec ^ { 2 } x + \tan ^ { 2 } x$
B) $\sec ^ { 2 } x$
C) $- 2 \tan ^ { 2 } x - 1$
D) $\tan ^ { 2 } - \sec ^ { 2 } x$

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