then find all solutions of the equation in the interval [0, 2π). The answers are x1 = x2 = x3 = and X4 = with 1 < x2 < 3 < 4. Question Help: Worked Example 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 61E
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For sin 2x + cos x = 0, use a double-angle or half-angle formula to simplify the equation and
then find all solutions of the equation in the interval [0, 2π).
The answers are
x1 =
X2
=
x3 =
and
X4 =
with x1 < x2 < x3 < x4.
Question Help: Worked Example 1
Transcribed Image Text:For sin 2x + cos x = 0, use a double-angle or half-angle formula to simplify the equation and then find all solutions of the equation in the interval [0, 2π). The answers are x1 = X2 = x3 = and X4 = with x1 < x2 < x3 < x4. Question Help: Worked Example 1
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