Find the angle between the lines 
and 
Given : the lines 
and 
To find : angle between the lines
Formula used : If the lines are 
= 
= 
and 
= 
= 
then the angle between the lines ‘θ’ is given by
θ = 
The lines are 
and 
Here p = 3 , q = 5 , r = 4 and l = 1 , m = 1 , n = 2
θ = 
= 
θ = 
= 
= 
θ = 
The angle between the lines 
and 
is 
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