i. By differentiating cosx/sinx that if ii. By expressing cot2 x in terms of cosec2 x and

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i. By differentiating cosx/sinx that if

ii. By expressing cot2 x in terms of cosec2 x and using the result of part i, show that

iii. Express cos 2x in terms of sin2 x and hence show that 1/1 - cos2x can be expressed as1/2 cosec²x. Hence, using the result of part i, find

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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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Question Posted: Mar 18, 2023 07:07 AM

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i. By differentiating cosx/sinx that if ii. By expressing cot2 x in terms of cosec2 x and

Question:

if y = cotx then dy dx -cosec² x.

Step by Step Answer:

i We have y cot x cos x sin x Taking the derivative of both sides with respect to x we get dydx cos ...View the full answer

Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

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