a. Sketch the graph of y = 2 + 5 cos x for 0 x

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a. Sketch the graph of y = 2 + 5 cos x for 0° ≤ x ≤ 180°.

b. Sketch the graph of y = |2 + 5 cos x| for 0° ≤ x ≤ 180°.

c. Write down the number of solutions of the equation |2 + 5 cos x| = 1 for 0° ≤ x ≤ 180°.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 27, 2021 12:57 AM

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a. Sketch the graph of y = 2 + 5 cos x for 0 x

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

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