use a double- or half- form. to solue le equation angle [0, 2TT). in The interval [0, 21). 2 sin? () = 2+ cos (20) %3D 4.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 44E
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use a double-
or half-
form. to solue le equation
angle
[0, 2TT).
in The interval [0, 21).
2 sin? () = 2+ cos (20)
%3D
4.
Transcribed Image Text:use a double- or half- form. to solue le equation angle [0, 2TT). in The interval [0, 21). 2 sin? () = 2+ cos (20) %3D 4.
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