a. Show that sin 2 + 1 sin cos 2 = 2sin 2
Question:
a. Show that sin2θ + 1 – sinθ − cos2θ = 2sin2θ − sinθ.
b. Solve sin2θ + 1 − sinθ − cos2θ = 0 for 0 ≤ θ ≤ 2π.
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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