`m = 1/2` find the inclination 'theta' (in radians and degrees) of the line with slope m.

The given slope is `m=1/2` .

Take note that if the slope of the line is given, to get the angle of inclination, apply the formula:

`tan theta =m`

Plugging in the given value of m, the formula becomes:

`tan theta = 1/2`

To isolate theta, take the inverse of tangent.

`theta = tan ^(-1) (1/2)`

`theta =0.4636476090 rad=26.56505117^o`

Rounding off to four decimal places, the values become:

`theta = 0.4636 rad = 26.5651^o`

Therefore, the angle of inclination in radian is 0.4636 rad. And in degree, the angle of inclination is `26.5651^o .`