Solve each of these equations for 0 x 360 a 4 cos 2 x 1 b 4tan 2 x 9 ...

a We can start by using the identity cos2x 12 12 cos2x which gives 4 cos2x 412 12 cos2x 2 2 cos2x So ...

Solve each of these equations for 0 x 360. a. 4 cos 2 x =

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Solve each of these equations for 0° ≤ x ≤ 360°.
a. 4 cos²x = 1

b. 4tan²x = 9

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 11:24 PM

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Solve each of these equations for 0 x 360. a. 4 cos 2 x =

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a We can start by using the identity cos2x 12 12 cos2x which gives 4 cos2x 412 12 cos2x 2 2 cos2x So ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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