a. Express sin 2 + 4 cos + 2 in the form a (cos
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a. Express sin2 θ + 4 cos θ + 2 in the form a – (cos θ – b)2.
b. Hence state the maximum and minimum values of sin2 θ + 4 cos θ + 2.
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a To express sin2 4 cos 2 in the form a cos b2 we can complete the square ...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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