Use the substitution r = 3 tan 0, < 0 < , to evaluate dr x²/x² + 9°

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 20E
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Use the substitution r = 3 tan 0, < 0 < , to evaluate
dr
x²/x² + 9°
Transcribed Image Text:Use the substitution r = 3 tan 0, < 0 < , to evaluate dr x²/x² + 9°
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