Solve each of these equations for 0 < x < 360. a. 2 sin 2 x +
Question:
Solve each of these equations for 0° < x < 360°.
a. 2 sin2 x + sin x − 1 = 0
b. tan2 x + 2 tan x − 3 = 0
c. 3cos2 x − 2 cos x − 1 = 0
d. 2sin2 x − cos x − 1 = 0
e. 3cos2 x − 3 = sin x
f. cosx + 5 = 6sin2x
g. 2cos2 x − sin2x − 2 sin x − 1 = 0
h. 1 + tan x cos x = 2 cos2 x
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a Letting y sin x we have 2y2 y 1 0 Solving for y using the quadratic formula we get y 1 9 4 y 1 or ...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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