i. Show that (2 sin x + cos x) 2 can be written in the form ii.

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i. Show that (2 sin x + cos x)²can be written in the form

ii. Hence find the exact value of

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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. Show that (2 sin x + cos x) 2 can be written in the form ii.

Question:

5 2 +2 sin 2.x - - 3 2 cos2.x.

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1Proof 2sinxcosx 2 2sinx 2 cosx 2 22sinxcosx open the hole squar...View the full answer

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

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