Trigonometry Examples

$2 (\frac{5}{13}) (- \frac{12}{13})$

Step 1

Multiply $2 (\frac{5}{13})$ .

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Step 1.1

Combine $2$ and $\frac{5}{13}$ .

$\frac{2 \cdot 5}{13} \cdot (- \frac{12}{13})$

Step 1.2

Multiply $2$ by $5$ .

$\frac{10}{13} \cdot (- \frac{12}{13})$

$\frac{10}{13} \cdot (- \frac{12}{13})$

Step 2

Multiply $\frac{10}{13} (- \frac{12}{13})$ .

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Step 2.1

Multiply $\frac{10}{13}$ by $\frac{12}{13}$ .

$- \frac{10 \cdot 12}{13 \cdot 13}$

Step 2.2

Multiply $10$ by $12$ .

$- \frac{120}{13 \cdot 13}$

Step 2.3

Multiply $13$ by $13$ .

$- \frac{120}{169}$

$- \frac{120}{169}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$- \frac{120}{169}$

Decimal Form:

$- 0.71005917 \dots$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$