Prove each of these identities. a. sin x + cos x cot x cosec x. b.

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Prove each of these identities.

a. sin x + cos x cot x ≡ cosec x.

b. cosec x − sin x ≡ cos x cot x.

c. sec x cosec x − cot x ≡ tan x.

d. (1+ secx)(cosec x − cot x) ≡ tan x.

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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 09, 2023 06:50 AM

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Prove each of these identities. a. sin x + cos x cot x cosec x. b.

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a Starting from the lefthand side we have sin x cos x cot x sin x cos2 x sin x using the identity co...View the full answer

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

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