i. Solve the equation 4sin 2 x + 8cosx 7 = 0 for 0 x
Question:
i. Solve the equation 4sin2x + 8cosx − 7 = 0 for 0° ≤ x ≤ 360°.
ii. Hence find the solution of the equation
Transcribed Image Text:
4 sin² (10) + 8 cos ( 0 ) - 7 = 0 for 0° = 0 = 360°.
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i We can rewrite the equation as 41cos2 x 8cos ...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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