Verify the identity 1 Cos (x 2) sin x 2 Tan (x 2) cos x 3 Tan ( x) tan x 4 Sin (x ) sin x ...

1 Cos x 2 cos x cos 2 sin x 2 cos x 0 si ...

Verify the identity. 1. Cos (x + / 2) = - sin x 2. Tan (x

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Verify the identity.
1. Cos (x + π / 2) = - sin x
2. Tan (x - π / 2) = - cos x
3. Tan (π - x) = - tan x
4. Sin (x - π) = - sin x

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Question Posted: Feb 14, 2018 03:23 AM

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Verify the identity. 1. Cos (x + / 2) = - sin x 2. Tan (x

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Algebra and Trigonometry

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