Answered: 6. () Let r(ø, 0) = a sin ø cos đi+a…

6. () Let r(ø, 0) = a sin ø cos đi+a sin ø sin 0j+a cos øk be the vector equa- tion of a sphere of radius a. Then the surface area is 4ra?.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter6: The Trigonometric Functions

Section6.6: Additional Trigonometric Graphs

Problem 78E

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6. () Let r(ø, 0) = a sin ø cos đi+a sin ø sin 0j+a cos øk be the vector equa-
tion of a sphere of radius a. Then the surface area is 4ra?.

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