a. On the same grid, sketch the graphs of y = |0.5 + sin x| and y
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a. On the same grid, sketch the graphs of y = |0.5 + sin x| and y = cos x for 0° ≤ x ≤ 360°.
b. State the number of roots of the equation |0.5 + sin x| = cos x for 0° ≤ x ≤ 360°.
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For part b the number of roots of the equation 05 sin x cos x fo...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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