Trigonometry Examples

$y = \frac{1}{2} \cdot \tan (\frac{1}{7} x) - 3$

Step 1

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

Interval Notation:

$(- \infty, \infty)$

Set-Builder Notation:

${y | y \in ℝ}$

Step 2