Angle Between Two Lines (Example)

[jyrka]

man these math youtubers really saving my ass here

[kalsoomasghar]

you're a really good teacher. It was helpful.

[zombiestrange]

How could they come so late when they have the best math teacher in the world? I just love how he teaches in Youtube and i understand better than when my math teacher teaches in my class.

[shalomdessin]

Thanks. you helped me out.
If all teachers were like you, school h would have been a better place.😁😁

[Vritas]

mhh, how do I get the formular for the lines if I only have two values of the line? where by x is datetime format and y is a double. It seems no on is explaining this in their explaination for angle between lines. Is this that obvios?

[harryellis]

Are there examples of working with this formula where the gradients are unknowns

[aishwaryajangir]

I have got the slope after swaping slopes as the -ve reciprocal of the number before swaping it.. Is it possible also?
Anybody who would like to answer ..
I'm thankful to you! :)