Use a Sum or Difference Identity to Find the Exact $\tan x ( \cot x - \cos x )$

question 248

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\tan x ( \cot x - \cos x )$

• A) 1
• B) 0
• C) \(1 - \sin x\)
• D) \(- \sec ^ { 2 } x\)

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