cos e - sine Let A = sin e cos 0 cos 20 -sin 20 cos 20 (a) Show that A? sin 20

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 24E
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Question
cos e - sin e
cos e
38. Let A =
sine
|cos 20 -sin 20
(a) Show that A²
sin 20
cos 20
Transcribed Image Text:cos e - sin e cos e 38. Let A = sine |cos 20 -sin 20 (a) Show that A² sin 20 cos 20
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