tanA=(30)/(72) and cosB=(11)/(61) Angles A and B are in Quadrant I. Find cos(A-B) ?

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Posted Date: May 31, 2023 05:23 AM

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tanA=(30)/(72) and cosB=(11)/(61) Angles A and B are in Quadrant I. Find cos(A-B) ?

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Ans cosAB05447 30 tan A 30 72 ... View the full answer

Algebra and Trigonometry

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