implify the following expression by applying the odd/even identities, cofunction identities, and cosine of a sum or difference identitie cos (49°) cos (11°) + sin (- 49°) cos (79°) CoS os (49°) cos (11°) + sin (-49°) cos (79°) =D Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) COS COS

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Simplify the following expression by applying the odd/even identities, cofunction identities, and cosine of a sum or difference identities.
cos (49°) cos (11°) + sin (- 49°) cos (79°)
CoS
cos (49°) cos (11°)+ sin (-49°) cos (79°) =
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
COS
Transcribed Image Text:Simplify the following expression by applying the odd/even identities, cofunction identities, and cosine of a sum or difference identities. cos (49°) cos (11°) + sin (- 49°) cos (79°) CoS cos (49°) cos (11°)+ sin (-49°) cos (79°) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) COS
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