Precalculus Examples

$\frac{11 π}{18}$

Step 1

Since the angle $\frac{11 π}{18}$ is in the second quadrant, subtract $\frac{11 π}{18}$ from $π$ .

$π - \frac{11 π}{18}$

Step 2

Simplify the result.

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Step 2.1

To write $π$ as a fraction with a common denominator, multiply by $\frac{18}{18}$ .

$π \cdot \frac{18}{18} - \frac{11 π}{18}$

Step 2.2

Combine fractions.

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Step 2.2.1

Combine $π$ and $\frac{18}{18}$ .

$\frac{π \cdot 18}{18} - \frac{11 π}{18}$

Step 2.2.2

Combine the numerators over the common denominator.

$\frac{π \cdot 18 - 11 π}{18}$

Step 2.3

Simplify the numerator.

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Step 2.3.1

Move $18$ to the left of $π$ .

$\frac{18 \cdot π - 11 π}{18}$

Step 2.3.2

Subtract $11 π$ from $18 π$ .

$\frac{7 π}{18}$