Question

Find the angle of inclination(in degrees) of the straight line whose slope is $1$

Answer 1

We have,

$slope=1$

Let the angle of inclination be $\theta$.

We know that

$\tan \theta =slope$

So,

$\tan \theta =1$

$\tan \theta =\tan {45}^0$

$\theta ={45}^0$

Hence, this is the answer.