Precalculus Examples

$\frac{π}{4}$

Step 1

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

$(\frac{π}{4}) \cdot \frac{180 °}{π}$

Step 2

Cancel the common factor of $π$ .

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Cancel the common factor.

$\frac{π}{4} \cdot \frac{180}{π}$

Rewrite the expression.

$\frac{1}{4} \cdot 180$

Step 3

Cancel the common factor of $4$ .

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Factor $4$ out of $180$ .

$\frac{1}{4} \cdot (4 (45))$

Cancel the common factor.

$\frac{1}{4} \cdot (4 \cdot 45)$

Rewrite the expression.

$45$

Step 4

Convert to a decimal.

$45 °$

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