Find the length of the curve over the given interval. r = 2a cos θ, [−π /4, π/4]

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 46E
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Find the length of the curve over the given interval.

r = 2a cos θ, [−π /4, π/4]

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