3. Solve the following equations. State exact values wherever possible, round to 4 decimal places if necessary. a) 2sinx-3 = 0 in the domain x E[-27,27] b) 5cos?x + 9cosx -2 = 0 in the domain: xE[0,27]

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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3. Solve the following equations. State exact values wherever possible, round to 4 decimal places if necessary.
a)
2 sin x - V3 = 0
in the domain xE[-2x,27]
b) 5cos?x + 9cosx -2 = 0
in the domain: xE[0,27]
Transcribed Image Text:3. Solve the following equations. State exact values wherever possible, round to 4 decimal places if necessary. a) 2 sin x - V3 = 0 in the domain xE[-2x,27] b) 5cos?x + 9cosx -2 = 0 in the domain: xE[0,27]
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