a. Show that the equation sintan = 3 can be written in the form cos 2
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a. Show that the equation sinθtanθ = 3 can be written in the form cos2θ + 3 cosθ − 1 = 0.
b. Hence, solve the equation sinθtanθ = 3 for 0° ≤ θ ≤ 360°.
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a Starting with the equation sintan 3 we can use the identity tan sincos to ob...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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