Evaluate using the substitution x 2 tan 1 The identities sin x 2 sin x 2 cos x 2 and cos x cos 2 x 2 sin 2 x 2 are helpful dx 1 sin x cos x...

Let x 2 tan u so that u tan22 and sec r2 1 tan x2 1 u Also cos 22 11 ...

Evaluate using the substitution x = 2 tan -1 . The identities sin x = 2 sin

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Evaluate dx 1 + sin x + cos x

using the substitution x = 2 tan^-1 θ. The identities sin x = 2 sin x/2 cos x/2 and cos x = cos² x/2 - sin² x/2 are helpful.

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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Question Posted: Apr 06, 2019 12:07 PM

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Evaluate using the substitution x = 2 tan -1 . The identities sin x = 2 sin

Question:

dx 1 + sin x + cos x

Step by Step Answer:

Let x 2 tan u so that u tan22 and sec r2 1 tan x2 1 u Also cos 22 11 ...View the full answer

Calculus Early Transcendentals

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