Complete the Sentence So the Result Is an Identity $- 1 = \tan ^ { 2 } x$

question 305

Multiple Choice

Complete the sentence so the result is an identity. Let x be any real number.
- $- 1 = \tan ^ { 2 } x$

• A) \(\cos ^ { 2 } x\)
• B) \(\cot ^ { 2 } x\)
• C) \(\sec ^ { 2 } x\)
• D) \(\sin ^ { 2 } x\)

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