Question

Find the inclination of the line whose slope is: 1

Answer 1

If tan θ is the slope of a line; then the inclination of the line is tan θ
Here the slope of the line is 1; then tan θ = 1
Now
tan θ = 1
tan θ = tan 45°
θ = 45°

Therefore the inclination of the given line is θ = 45°.