Trigonometry Examples

$24 \cos (30)$

Step 1

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

$24 \frac{\sqrt{3}}{2}$

Step 2

Cancel the common factor of $2$ .

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Step 2.1

Factor $2$ out of $24$ .

$2 (12) \frac{\sqrt{3}}{2}$

Step 2.2

Cancel the common factor.

$2 \cdot 12 \frac{\sqrt{3}}{2}$

Step 2.3

Rewrite the expression.

$12 \sqrt{3}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$12 \sqrt{3}$

Decimal Form:

$20.78460969 \dots$