Evaluate the integral by making an appropriate change of variables. JJ₂² 7 cos(3 (y + x)) dA where R is the trapezoidal region with vertices (6, 0), (10, 0), (0, 10), and (0, 6)

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 35E: Determine the area of ABC if A=2,1,B=5,3,andC is the reflection of the B across the x-axis.
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Evaluate the integral by making an appropriate change of variables.
√ 7 COS(3 (V+ X))
cos
dA where R is the trapezoidal region with vertices (6, 0), (10, 0), (0, 10), and (0,6)
Transcribed Image Text:Evaluate the integral by making an appropriate change of variables. √ 7 COS(3 (V+ X)) cos dA where R is the trapezoidal region with vertices (6, 0), (10, 0), (0, 10), and (0,6)
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