3 cos B 25 If sin a and both a and 3 are in Quadrant III, find 5 -- (a) cos(a – 3) (b) sin(a – B)
3 cos B 25 If sin a and both a and 3 are in Quadrant III, find 5 -- (a) cos(a – 3) (b) sin(a – B)
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°.
Related questions
Question
Transcribed Image Text:7
3
and both a and B are in Quadrant III, find
2. If sin a
cos B
25
--
5'
(а) сos(a — B)
(b) sin(@ – 3)
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