Prove each of these identities a (1 sec x) (cosec x cot x) tan x b (1 sec x)(1 cos x) sin x tan x c tan 2 x sec 2 x 2 cosec 2 x cot 2 x d (cot x tan x) (cot x tan x) cosec 2 x sec 2 x ...

a 1 sec x cosec x cot x 1 1cos x1sin x cos xsin x ...

Prove each of these identities. a. (1 + sec x) (cosec x cot x) = tan

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Prove each of these identities.

a. (1 + sec x) (cosec x – cot x) = tan x

b. (1 + sec x)(1 – cos x) = sin x tan x

c. tan² x – sec² x + 2 = cosec² x – cot² x

d. (cot x + tan x) (cot x – tan x) = cosec²x – sec² x

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Prove each of these identities. a. (1 + sec x) (cosec x cot x) = tan

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

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