2. Using a Double-Angle Formula we see that the equation sin x + sin 2r = 0 is equivalent to the equation , Factoring, we see that solving this equation is equivalent to solving the two basic equations. and

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 60E
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2. Using a Double-Angle Formula we see that the equation
sin x + sin 2r = 0 is equivalent to the equation ,
Factoring, we see that solving this equation is equivalent to
solving the two basic equations.
and
Transcribed Image Text:2. Using a Double-Angle Formula we see that the equation sin x + sin 2r = 0 is equivalent to the equation , Factoring, we see that solving this equation is equivalent to solving the two basic equations. and
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