Step 1 :

Inclination and slope :

If a non vertical line has inclination $\"\"$ and slope m, then

$\"\"$

Step 2 :

The slope is $\"\"$ , then the inclination is

$\"\"$

Conversion from degrees to radians :

Since $\"\"$ radians.

$\"\"$

The angle of inclination is 0.6435 radians or $\"\"$ .

Solution :

The angle of inclination is 0.6435 radians or $\"\"$ .