Solve for 0 x 180 the equations: a. sin(x + 20) = 1/2 b. cos

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Solve for 0 ≤ x ≤ 180° the equations:

a. sin(x + 20°) = 1/2

b. cos 2x = −0.8, giving your answers to 1 decimal place.

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 15, 2023 02:35 AM

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Solve for 0 x 180 the equations: a. sin(x + 20) = 1/2 b. cos

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a To solve the equation sinx 20 12 we can start by using the inverse sine func...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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