Find the Exact Value cos(2(2pi)) - MathMaster

Math

$\cos (2 (2 π))$

Multiply $2$ by $2$ .

$\cos (4 π)$

$4 π$ is a full rotation so replace with $0$ .

$\cos (0)$

The exact value of $\cos (0)$ is $1$ .

$1$

Find the Exact Value cos(2(2pi))

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