9000107506

Level: 
Project ID: 
9000107506
Accepted: 
1
Clonable: 
0
Easy: 
0
Find \(\cos \varphi \) where \(\varphi \) is the angle between the lines \(p\) and \(q\). \[ p\colon y = 2x - 11;\quad q\colon y = \frac{1} {4}x \]
\(\frac{6\sqrt{85}} {85} \)
\(\frac{1} {\sqrt{22}}\)
\(\frac{\sqrt{6}} {85} \)
\(\frac{\sqrt{17}} {30} \)