The larger the angle value, the higher the gradient value.

The larger the angle value, the smaller the gradient value.

The smaller the angle value, the higher the gradient value.

The smaller the angle value, the smaller the gradient value.

vertical distance = PS

horizontal distance = RS

vertical distance = PR

horizontal distance = PS

vertical distance = RS

horizontal distance = PS

vertical distance = RS

horizontal distance = PR

m = horizontal distance / vertical distance

m = vertical distance / horizontal distance

Horizontal distance = 6 units

Vertical distance = 4 units

Horizontal distance = 4 m

Vertical distance = 6 m

Horizontal distance = 6 m

Vertical distance = 4 m

$m\ =\ \frac{5}{4}$

$m\ =\ \frac{4}{5}$

$m\ =\ \frac{16}{2}$

$m\ =\ \frac{2}{16}$

$m\ =\ 8$

$m\ =\ \frac{1}{8}$