a. Sketch, on the same set of axes, in the interval x , the
Question:
a. Sketch, on the same set of axes, in the interval −π ≤ x ≤ π, the graphs of y = cot x and y = −x.
b. Deduce the number of solutions of the equation cot x + x = 0 in the interval −π ≤ x ≤ π.
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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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