Trigonometry Examples

$- 2 π rad$

Step 1

To convert radians to degrees, multiply by

$\frac{180}{π}$ , since a full circle is

$360 °$ or

$2 π$ radians.

$(- 2 π) \cdot \frac{180 °}{π}$

Step 2

Cancel the common factor of

$π$ .

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Step 2.1

Factor

$π$ out of

$- 2 π$ .

$π \cdot - 2 \cdot \frac{180}{π}$

Step 2.2

Cancel the common factor.

$π \cdot - 2 \cdot \frac{180}{π}$

Step 2.3

Rewrite the expression.

$- 2 \cdot 180$

$- 2 \cdot 180$

Step 3

Multiply

$- 2$ by

$180$ .

$- 360$

Step 4

Convert to a decimal.

$- 360 °$

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