Find the value of cos(195°) using the angle sum formula. COS cos(195°) cos(150° + 45°) %3D cos(150°)cos(45°) – sin(150°)sin(45°) %3D Submit Question
Find the value of cos(195°) using the angle sum formula. COS cos(195°) cos(150° + 45°) %3D cos(150°)cos(45°) – sin(150°)sin(45°) %3D Submit Question
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:Find the value of cos(195°) using the angle sum formula.
cos(195°)
cos(150° + 45°)
cos(150°)cos(45°) – sin(150°)sin(45°)
) -
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