Trigonometry Examples

$y = \frac{2}{3} \cdot \sin (x)$

Step 1

The range is the set of all valid $y$ values. Use the graph to find the range.

Interval Notation:

$[- \frac{2}{3}, \frac{2}{3}]$

Set-Builder Notation:

${y | - \frac{2}{3} \leq y \leq \frac{2}{3}}$

Step 2