The lines l 1 and l 2 , 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 l 1 and l 2 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 l 1 and l 2

Question: The lines l 1 and l 2 , with equations y = 2x and 3y = x 1 respectively, are drawn on the same

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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