Find the Exact Value $\cos 2 \pi$ A) 1
B) $\frac { \sqrt { 2 } } { 2 }$

question 208

Multiple Choice

Find the exact value. Do not use a calculator.
- $\cos 2 \pi$

• A) 1
• B) \(\frac { \sqrt { 2 } } { 2 }\)
• C) 0
• D) undefined

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