a. Find the maximum and minimum values of 7 sin 2 + 9 cos 2
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a. Find the maximum and minimum values of 7 sin2θ + 9 cos2θ + 4sinθ cosθ + 2.
b. Hence, or otherwise, solve the equation 7 sin2θ+ 9 cos2θ + 4sinθ cosθ = 10 for 0° < θ < 360°.
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a To find the maximum and minimum values of 7 sin2 9 cos2 4sin cos 2 we can use the identity sin2 2s...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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