Assume that sin (x) = cos (x - y) = 3 5' sin (y) 4 == where 9' EN < x < π and 3π < y < 2n. Calculate cos (x - y). (Give an exact answer. Use symbolic notation and fractions where needed.)
Assume that sin (x) = cos (x - y) = 3 5' sin (y) 4 == where 9' EN < x < π and 3π < y < 2n. Calculate cos (x - y). (Give an exact answer. Use symbolic notation and fractions where needed.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 106E
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Question
![Assume that sin (x) =
3
5'
cos (x - y) =
sin (y):
4
where
T
3π
< x < π and <y< 2n.
2
2
Calculate cos (x - y).
(Give an exact answer. Use symbolic notation and fractions where needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F985fbbf0-f8fa-4c87-a1a5-f926559935c9%2F2e6382f5-fa9f-40c6-9ca9-d038c3782b42%2Fmyjdgu9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Assume that sin (x) =
3
5'
cos (x - y) =
sin (y):
4
where
T
3π
< x < π and <y< 2n.
2
2
Calculate cos (x - y).
(Give an exact answer. Use symbolic notation and fractions where needed.)
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