Precalculus Examples

$\frac{9 π}{11}$

Step 1

The supplement of $\frac{9 π}{11}$ is the angle that when added to $\frac{9 π}{11}$ forms a straight angle ( $π$ radians).

$π - \frac{9 π}{11}$

Step 2

To write $π$ as a fraction with a common denominator, multiply by $\frac{11}{11}$ .

$π \cdot \frac{11}{11} - \frac{9 π}{11}$

Step 3

Combine fractions.

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Step 3.1

Combine $π$ and $\frac{11}{11}$ .

$\frac{π \cdot 11}{11} - \frac{9 π}{11}$

Step 3.2

Combine the numerators over the common denominator.

$\frac{π \cdot 11 - 9 π}{11}$

Step 4

Simplify the numerator.

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Step 4.1

Move $11$ to the left of $π$ .

$\frac{11 \cdot π - 9 π}{11}$

Step 4.2

Subtract $9 π$ from $11 π$ .

$\frac{2 π}{11}$