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V5 3 If cos(a)= and sin(B) = 풍

V5 3 If cos(a)= and sin(B) = 풍

Trigonometry (11th Edition)
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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If \( \cos(\alpha) = -\frac{\sqrt{5}}{5} \) and \( \sin(\beta) = -\frac{3}{5} \) with \( \frac{\pi}{2} < \alpha < \pi \) and \( \frac{3\pi}{2} < \beta < 2\pi \), compute the exact value of the following: - \( \cos(\alpha + \beta) = \) [ ] - \( \sin(\alpha - \beta) = \) [ ] - \( \tan(\alpha - \beta) = \) [ ]
Transcribed Image Text:If \( \cos(\alpha) = -\frac{\sqrt{5}}{5} \) and \( \sin(\beta) = -\frac{3}{5} \) with \( \frac{\pi}{2} < \alpha < \pi \) and \( \frac{3\pi}{2} < \beta < 2\pi \), compute the exact value of the following: - \( \cos(\alpha + \beta) = \) [ ] - \( \sin(\alpha - \beta) = \) [ ] - \( \tan(\alpha - \beta) = \) [ ]
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