Algebra Examples

$2 \cos (30 °)$

Step 1

The exact value of $\cos (30 °)$ is $\frac{\sqrt{3}}{2}$ .

$2 \frac{\sqrt{3}}{2}$

Step 2

Cancel the common factor of $2$ .

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Step 2.1

Cancel the common factor.

$2 \frac{\sqrt{3}}{2}$

Step 2.2

Rewrite the expression.

$\sqrt{3}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sqrt{3}$

Decimal Form:

$1.73205080 \dots$