The lines l 1 and l 2 , with equations y = 2x and 3y = x
Question:
The lines l1 and l2 , with equations y = 2x and 3y = x − 1 respectively, are drawn on the same set of axes. Given that the scales are the same on both axes and that the angles l1 and l2 make with the positive x-axis are A and B respectively,
a. Write down the value of tan A and the value of tan B;
b. Without using your calculator, work out the acute angle between l1 and l2.
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Related Book For 
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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