Trigonometry Examples

$\frac{5 π}{6}$

Step 1

Convert the radian measure to degrees.

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Step 1.1

To convert radians to degrees, multiply by

$\frac{180}{π}$ , since a full circle is

$360 °$ or

$2 π$ radians.

$(\frac{5 π}{6}) \cdot \frac{180 °}{π}$

Step 1.2

Cancel the common factor of

$π$ .

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Step 1.2.1

Factor

$π$ out of

$5 π$ .

$\frac{π \cdot 5}{6} \cdot \frac{180}{π}$

Step 1.2.2

Cancel the common factor.

$\frac{π \cdot 5}{6} \cdot \frac{180}{π}$

Step 1.2.3

Rewrite the expression.

$\frac{5}{6} \cdot 180$

$\frac{5}{6} \cdot 180$

Step 1.3

Cancel the common factor of

$6$ .

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Step 1.3.1

Factor

$6$ out of

$180$ .

$\frac{5}{6} \cdot (6 (30))$

Step 1.3.2

Cancel the common factor.

$\frac{5}{6} \cdot (6 \cdot 30)$

Step 1.3.3

Rewrite the expression.

$5 \cdot 30$

$5 \cdot 30$

Step 1.4

Multiply

$5$ by

$30$ .

$150$

Step 1.5

Convert to a decimal.

$150 °$

$150 °$

Step 2

The angle is in the second quadrant.

Quadrant

$2$

Step 3

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$