Sin(alpha)=3/5 and 0

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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Sin(alpha)=3/5 and 0<alpha<pi/2 and cos(beta) = (2sqroot5)/5 and -pi/2<beta<0. Use these domains to find the exact values (no decimals) for the following while showing all work involved and then illustrate each on the unit circle. A.) sin(alpha+beta) B.) cos(alpha+beta) C.) tan(alpha-beta) D.) sin(2alpha) E.) cos(2beta) F.) cos(alpha/2) G.) sin(beta/2) 

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