Solve each of these equations for 0 x 180. a. cos 2x = 0.6 b.
Question:
Solve each of these equations for 0° ≤ x ≤ 180°.
a. cos 2x = 0.6
b. sin3x = 0.8
c. tan2x = 4
d. sin2x = −0.5
e. 3cos 2x = 2
f. 5sin2x = −4
g. 4 + 2 tan2x = 0
h. 1 − 5sin2x = 0
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a cos 2x 06 Using the identity cos 2x 2cos2 x 1 we get 2cos2 x 1 06 2cos2 x 16 cos2 x 08 cos x 08 x ...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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