Find the slope of the line whose inclination is $30°$.

Find the slope of the lines whose inclinations are given.

$45°,$

Find the slope of the lines whose inclinations are given.

$60°$

Find the slope of the line whose inclination is given.

$135°$

Find the inclination of the line whose slope is given below.

$\frac{1}{\sqrt{3}}$

Find the inclination of the line whose slope is given below.

$1$

Find the inclination of the line whose slope is given below.

$\sqrt{3}$

Find the inclination of the line whose slope is given below.

$-1.$

Find the angle between the pair of lines whose slopes are;

$\frac{1}{\sqrt{3}}, 1$