For an example, we take two lines L1 and L2. L1 makes 130 degrees with +ve X axis and has slope m1=tan(130 degrees)= -1.17. Similarly, L2 makes 150 degrees with +ve X axis and has slope m2= -0.577.
Here, clearly m1 < m2 but the steepness of L1 is greater than L2. So, do I go with L1 has greater steepness thus greater slope or L2 has greater slope(greater numerical value) ?
I found this on reddit but still wanted some more information.
130 degree line has greater steepness so it's slope is greater than 150 degree line. Draw these two line you will get answers yourself.
Or take modulus of |tan130|>|tan150|