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Use the Appropriate Sum or Difference Identity to Write the Given

Question 321

Multiple Choice

Use the appropriate sum or difference identity to write the given expression as a function of x alone.
-cos Use the appropriate sum or difference identity to write the given expression as a function of x alone. -cos A) cos x B) sin x C) -cos x D) -sin x


A) cos x
B) sin x
C) -cos x
D) -sin x

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