Use the formula for the cosine of the difference of two angles to find the exact value of the following expression.cos (30° – 45°)Find the exact value of the expression.cos (30° - 45°) =(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)%3DEnter your answer in the answer box.Save for LaterType here to searchO O

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Description: Use the formula for the cosine of the difference of two angles to find the exact value of the following expression.cos (30° – 45°)Find the exact value of the expression.cos (30° - 45°) =(Simplify your answer. Type an exact answer, using radicals as

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Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter12: Quadratic Functions

Section12.8: Joint And Combined Variation

Problem 1P

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Use the formula for the cosine of the difference of two angles to find the exact value of the following expression.
cos (30° – 45°)
Find the exact value of the expression.
cos (30° - 45°) =
(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)
%3D
Enter your answer in the answer box.
Save for Later
Type here to search
O O

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