Prove the identity.
12. cosh(x + y) = cosh x cosh y + sinh x sinh y
Calculus: An Applied Approach (MindTap Course List)
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Calculus: Early Transcendental Functions
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Finite Mathematics and Applied Calculus (MindTap Course List)
Precalculus: Mathematics for Calculus (Standalone Book)
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Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Essentials Of Statistics
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
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Statistics for The Behavioral Sciences (MindTap Course List)
Understanding Basic Statistics
Single Variable Calculus
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Probability and Statistics for Engineering and the Sciences
Contemporary Mathematics for Business & Consumers
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Elements Of Modern Algebra
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Elementary Geometry For College Students, 7e
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Calculus of a Single Variable
Single Variable Calculus: Early Transcendentals
Calculus: Early Transcendental Functions (MindTap Course List)
Finite Mathematics for the Managerial, Life, and Social Sciences
Elementary Geometry for College Students
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
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Study Guide for Stewart's Multivariable Calculus, 8th
STATISTICS F/BUSINESS+ECONOMICS-TEXT
Research Methods for the Behavioral Sciences (MindTap Course List)
Mathematics For Machine Technology
Statistics for Business & Economics, Revised (MindTap Course List)
Introduction To Statistics And Data Analysis
College Algebra (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Calculus (MindTap Course List)
Essentials Of Statistics For Business & Economics
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A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Mathematics: A Practical Odyssey
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Calculus Volume 2
College Algebra