In Exercises 1-2, use the given conditions to find the exact values of sin 2u, cos 2u,

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In Exercises 1-2, use the given conditions to find the exact values of sin 2u, cos 2u, and tan 2u using the double-angle formulas.
1. sin u = −3 / 5, 3π / 2 < u < 2π
2. cos u = −4 / 5, π / 2 < u < π

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Question Posted: Feb 14, 2018 03:21 AM

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In Exercises 1-2, use the given conditions to find the exact values of sin 2u, cos 2u,

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1 sin u 3 5 3 2 u 2 sin 2u 2 sin u cos u 2 3 ...View the full answer

Algebra and Trigonometry

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