Trigonometry Examples

$y = \sin (\frac{1}{2} \cdot (x - \frac{π}{2}))$

Step 1

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

Interval Notation:

$[- 1, 1]$

Set-Builder Notation:

${y | - 1 \leq y \leq 1}$

Step 2