Solve each of these equations for 0 x 360 a tan 2 x 2 tan x 3 0 b 2 sin 2 x sin x 1 0 c 3 cos 2 x 2 cos x 1 0 d 2 sin 2 x cos x 1 0 e 3 cos 2 x 3 sin x f sin x 5 6 cos 2 x g 2 cos 2 x sin 2 x 2 sin x 1 0 h 1 tan x cos x 2 cos 2 x i 3 cos x 8 tan x ...

a Letting u tanx we have a quadratic equation u2 2u 3 0 Factoring we get u 3u 1 0 So u 3 or u 1 Solv ...

Solve each of these equations for 0 x 360. a. tan 2 x + 2

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Solve each of these equations for 0° ≤ x ≤ 360°.

a. tan² x + 2 tan x – 3 = 0

b. 2 sin² x + sin x – 1 = 0

c. 3 cos² x – 2 cos x – 1 = 0

d. 2 sin² x – cos x – 1 = 0

e. 3 cos² x – 3 = sin x

f. sin x + 5 = 6 cos² x

g. 2 cos² x – sin² x – 2 sin x – 1 = 0

h. 1 + tan x cos x = 2 cos² x

i. 3 cos x = 8 tan x

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Solve each of these equations for 0 x 360. a. tan 2 x + 2

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a Letting u tanx we have a quadratic equation u2 2u 3 0 Factoring we get u 3u 1 0 So u 3 or u 1 Solv...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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