a +beta)= cos(alpha+beta)= alpha +beta is in quadrant? sin(alpha-beta)= cos(alpha-beta)= alpha-beta is
a +beta)= cos(alpha+beta)= alpha +beta is in quadrant? sin(alpha-beta)= cos(alpha-beta)= alpha-beta is
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 50E
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Find exact value given that:
Cos(alpha)=3/7 and alpha is quadrtant IV and sinBeta =4/5 and Beta is in quadrant II.
sin(alpha +beta)=
cos(alpha+beta)=
alpha +beta is in quadrant?
sin(alpha-beta)=
cos(alpha-beta)=
alpha-beta is in quadrant?
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