Calculus Examples

$4 \cos (\frac{π}{3})$

Step 1

The exact value of $\cos (\frac{π}{3})$ is $\frac{1}{2}$ .

$4 (\frac{1}{2})$

Step 2

Cancel the common factor of $2$ .

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Step 2.1

Factor $2$ out of $4$ .

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

Step 2.2

Cancel the common factor.

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

Step 2.3

Rewrite the expression.

$2$