Slope from angle of inclination (Slope is tangent of the angle the line makes with the positive x-axis.)
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Slope is tangent of the angle the line makes with the positive x-axis.
What each symbol means
| Symbol | What it stands for |
|---|---|
| m | Slope |
| θ | Angle of inclination, measured from +x axis |
When to use this
θ ≠ 90° for finite slope (vertical line).