a Show that 12sin 2 x cos x 1 11 cos x 12cos 2 x b Solve 12sin2 x cos x 1 0 for 0 x 360 ...

a To show that 12sin2 x cos x 1 11 cos x 12cos2 x we can start by expanding the left side of the equ ...

a. Show that 12sin 2 x + cos x 1 = 11 + cos x

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a. Show that 12sin² x + cos x − 1 = 11 + cos x − 12cos² x.

b. Solve 12sin2 x + cos x − 1 = 0 for 0° ≤ x ≤ 360°.

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Cambridge IGCSE And O Level Additional Mathematics

ISBN: 9781510421646

1st Edition

Authors: Val Hanrahan, Jeanette Powell

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Question Posted: Sep 03, 2021 01:50 AM

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a. Show that 12sin 2 x + cos x 1 = 11 + cos x

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a To show that 12sin2 x cos x 1 11 cos x 12cos2 x we can start by expanding the left side of the equ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics

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