Trigonometry Examples

$- 30$

Step 1

To convert radians to degrees, multiply by $\frac{180}{π}$ , since a full circle is $360 °$ or $2 π$ radians.

$(- 30) \cdot \frac{180 °}{π}$

Step 2

Multiply $(- 30) \frac{180}{π}$ .

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Step 2.1

Combine $- 30$ and $\frac{180}{π}$ .

$\frac{- 30 \cdot 180}{π}$

Step 2.2

Multiply $- 30$ by $180$ .

$\frac{- 5400}{π}$

Step 3

Move the negative in front of the fraction.

$- \frac{5400}{π}$

Step 4

$π$ is approximately equal to $3.14159265$ .

$- \frac{5400}{3.14159265}$

Step 5

Convert to a decimal.

$- 1718.87338539 °$