a) Sketch the curves y = 2 cos x and y = 3 sin x on the
Question:
a) Sketch the curves y = 2 cos x and y = 3 sin x on the same axes for 0° ≤ x ≤ 360°.
b) Find the range of values of x in the
interval 0° ≤ x ≤ 360° for which
3sin x ≥ 2cos x.
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ANSWER We can start by dividing both sides of the inequality by cosx as long as cosx is positive ...View the full answer
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Related Book For 
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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