Precalculus Examples

$- 3.5$

Step 1

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

$(- 3.5) \cdot \frac{180 °}{π}$

Step 2

Multiply $(- 3.5) \frac{180}{π}$ .

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Step 2.1

Combine $- 3.5$ and $\frac{180}{π}$ .

$\frac{- 3.5 \cdot 180}{π}$

Step 2.2

Multiply $- 3.5$ by $180$ .

$\frac{- 630}{π}$

Step 3

Move the negative in front of the fraction.

$- \frac{630}{π}$

Step 4

Replace $π$ with an approximation.

$- \frac{630}{3.14159265}$

Step 5

Divide $630$ by $3.14159265$ .

$- 1 \cdot 200.53522829$

Step 6

Multiply $- 1$ by $200.53522829$ .

$- 200.53522829$

Step 7

Convert to a decimal.

$- 200.53522829 °$