Solve the equation Sin (20) = -'/2 /2 on the internal [o, 2) Cos 4x = cot (3x)=1 Cos 20/s =-1 %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 106E
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Solve the equation on the internal to, 2 r)
Sin (20) = -'l2'
-/2
cot(3x)=1
20/5=-1
Cos 4x =
い、
Cos
%3D
Transcribed Image Text:Solve the equation on the internal to, 2 r) Sin (20) = -'l2' -/2 cot(3x)=1 20/5=-1 Cos 4x = い、 Cos %3D
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