Simplify the following expression by using appropriate identities. Do not use calculator. T sin - ( − 7) cos ( 73 ) + cos (7) sin (- -) 13
Simplify the following expression by using appropriate identities. Do not use calculator. T sin - ( − 7) cos ( 73 ) + cos (7) sin (- -) 13
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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Transcribed Image Text:Simplify the following expression by using appropriate identities. Do not use a
calculator.
sin (-1) cos (5) + cos (1) sin (-15)
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