a. Show that sin3x 3sin x 4sin 3 x. b. Hence show that 2 sin
Question:
a. Show that sin3x Ξ 3sin x − 4sin3 x.
b. Hence show that
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2 sin³ x dx = 5 12
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Part a To prove that sin3x 3sin x 4sin3 x we can use the triple angle formula for ...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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