Use the information given below to find cos (a - B). 5 with a in quadrant III 13 sin a 12 cos ß = with B in quadrant I 13 Give the exact answer, not a decimal approximation. cos (a - B) = 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 13E
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i need the answer and the steps as well please. i would like to know how you got the answer you got. please and thank you so much!
 
 
 
Use the information given below to find cos (a - B).
5
sin a
with a in quadrant III
13
12
cos ß =
with B in quadrant I
13
Give the exact answer, not a decimal approximation.
cos (a - B) = 0
Transcribed Image Text:Use the information given below to find cos (a - B). 5 sin a with a in quadrant III 13 12 cos ß = with B in quadrant I 13 Give the exact answer, not a decimal approximation. cos (a - B) = 0
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