Trigonometry Examples

$- \frac{143 π}{180}$

Step 1

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

$(- \frac{143 π}{180}) \cdot \frac{180 °}{π}$

Step 2

Cancel the common factor of $π$ .

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Step 2.1

Move the leading negative in $- \frac{143 π}{180}$ into the numerator.

$\frac{- 143 π}{180} \cdot \frac{180}{π}$

Step 2.2

Factor $π$ out of $- 143 π$ .

$\frac{π \cdot - 143}{180} \cdot \frac{180}{π}$

Step 2.3

Cancel the common factor.

$\frac{π \cdot - 143}{180} \cdot \frac{180}{π}$

Step 2.4

Rewrite the expression.

$\frac{- 143}{180} \cdot 180$

Step 3

Cancel the common factor of $180$ .

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Step 3.1

Cancel the common factor.

$\frac{- 143}{180} \cdot 180$

Step 3.2

Rewrite the expression.

$- 143$

Step 4

Convert to a decimal.

$- 143 °$