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Consider two straight lines L1 (y = 2x +1) and L2 (y=x).
a) What is the slope of line L1 in respect to line L2?
b) What is the equation of line L1 in respect to line L2?
 3 years ago
 3 years ago
Consider two straight lines L1 (y = 2x +1) and L2 (y=x). a) What is the slope of line L1 in respect to line L2? b) What is the equation of line L1 in respect to line L2?
 3 years ago
 3 years ago

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lokisanBest ResponseYou've already chosen the best response.0
Oh, you want the angle between the two lines.
 3 years ago

lokisanBest ResponseYou've already chosen the best response.0
You need to use the formula to find the angle between two lines. \[\tan \alpha = \frac{m_2m_1}{1+m_1m_2}\]
 3 years ago

lokisanBest ResponseYou've already chosen the best response.0
m_2 is typically the greater slope, which is 2 in this case. m_1 is therefore 1.
 3 years ago

lokisanBest ResponseYou've already chosen the best response.0
Since the slope of a line is defined as the tangent of that line with respect to the xaxis, the tangent of the angle between your two lines should give you the relative slope...which I assume is what the question wants.
 3 years ago

BecomeMyFan=DBest ResponseYou've already chosen the best response.0
hmm... ok, I will try it again with this extra knowledge
 3 years ago

BecomeMyFan=DBest ResponseYou've already chosen the best response.0
right, i think i get it
 3 years ago

lokisanBest ResponseYou've already chosen the best response.0
I could be misinterpreting your question here  it's late where I am and I'm about to hit the hay.
 3 years ago

lokisanBest ResponseYou've already chosen the best response.0
BecomeMyFan, did you get the second part? I forgot, sorry. I'm about to go to bed. Hopefully you can lure someone in to finish it...
 3 years ago

lizikBest ResponseYou've already chosen the best response.0
full problem is Consider two straight lines L1 (y = 2x +1) and L2 (y=x). a) What is the slope of line L1 in respect to line L2? b) What is the equation of line L1 in respect to line L2? NOTE. Think that the original xy coordinate system has been rotated in respect to the origin so that line L2 defines the new xaxis x´ and y´ is the new yaxis!
 3 years ago
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