a. Express 4 cos 3 sin (90 3) as a single trigonometric function. b. Hence
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a. Express 4 cos 3θ − sin (90° − 3θ) as a single trigonometric function.
b. Hence solve 4 cos 3θ − sin (90° − 3θ) = 2 in the interval 0 ≤ θ ≤ 360°. Give your answers to 3 significant figures.
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a To express 4 cos 3 sin 90 3 as a single trigonometric function we can use the trigonometric identi...View the full answer
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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