4. Given that sin A -37/7. = 7' a single value, leaving it in the form of a rational number. -²33 and that both A and B are in quadrant II, find cos(A - B). Simplify it to cos 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°.
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4. Given that sin A
cos B
7
5
a single value, leaving it in the form of a rational number.
"
and that both A and B are in quadrant II, find cos(A - B). Simplify it to
Transcribed Image Text:3 2 4. Given that sin A cos B 7 5 a single value, leaving it in the form of a rational number. " and that both A and B are in quadrant II, find cos(A - B). Simplify it to
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