The first term of an arithmetic progression is sin 2 x and the second term is 1.
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The first term of an arithmetic progression is sin2x and the second term is 1.
a. Write down an expression, in terms of sinx, for the fifth term of this progression.
b. Show that the sum of the first ten terms of this progression is 10 + 35 cos2x.
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a Let the common difference of the arithmetic progression be d Then the first term is sin2 x and ...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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