Solve each equation for 0 < x < 360. a. cos(x + 30) = 2 sin x
Question:
Solve each equation for 0°< x < 360°.
a. cos(x + 30°) = 2 sin x
b. cos(x − 60° ) = 3cos x
c. sin(30° − x) = 4sin x
d. cos(x + 30°) = 2 sin(x + 60°)
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a cosx 30 2 sin x Using the identity cosAB cos A cos B sin A sin B we can rewrite the left side of t...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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