Question

the angle between two lines whose slope are 3 and -1/3​

Answer 1

Answer:

π/2 or 90°

Step-by-step explanation:

since m1*m2=-1

then lines are perpendicular to the each other

or u can solve this

by using

θ=tan-1[(m2-m1)/1+m1m2]

then θ= tan-1(∞)

that is 90°