a Sketch on the same set of axes, in the interval 0 x 180, the
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a Sketch on the same set of axes, in the interval 0 ≤ x ≤ 180°, the graphs of y = tan (x − 45°) and y = −2 cos x, showing the coordinates of points of intersection with the axes.
b. Deduce the number of solutions of the equation tan (x − 45°) + 2 cos x = 0, in the interval 0 ≤ x ≤ 180°.
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a To sketch the graphs of y tan x 45 and y 2 cos x on the same set of axes in the interval 0 x 180 w...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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