Solve each of these equations for the given domains. a. cos(x = - 30) = - 0.5

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Solve each of these equations for the given domains.

a. cos(x = - 30°) = - 0.5 for 0° ≤ x ≤ 360°.

b. 6 sin(2x + 45°) = - 5 for 0° ≤ x ≤ 180°.

c. 2 cos(2x/3) + √3 = 0 for 0° ≤ x ≤ 540°.

d. cos(x = π/6) = - 0.5 for 0 < x < 2π.

e. sin (2x - 3) = 0.6 for 0 < x < π radians.

f. √2 sin (x/2 + π/6) = 1 for 0 < x < 4π radians.

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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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Solve each of these equations for the given domains. a. cos(x = - 30) = - 0.5

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a cosx 30 05 for 0 x 360 We can use the fact that cosx cosx to find that cosx 330 05 Therefore x 330 ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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