Problem

Which shows how to correctly rewrite $\cos (\pi+\theta)$ in an equivalent form?

Answer

Expert–verified
Hide Steps
Answer

The final answer is simplified: \(\boxed{-\cos(\theta)}\)

Steps

Step 1 ：Rewrite the expression using the cosine property: \(\cos(\pi + \theta) = -\cos(\theta)\)

Step 2 ：The final answer is simplified: \(\boxed{-\cos(\theta)}\)

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