Evaluate 10cos(60)

$10 \cos (60)$

The exact value of $\cos (60)$ is $\frac{1}{2}$ .

$10 (\frac{1}{2})$

Cancel the common factor of $2$ .

Factor $2$ out of $10$ .

$2 (5) \frac{1}{2}$

Cancel the common factor.

$2 \cdot 5 \frac{1}{2}$

Rewrite the expression.

$5$

$5$

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