Change from rectangular to spherical coordinates. (Let p 2 0, 0 < 0 < 21, and 0 s¢ s n.) (a) (2, 2/3,4V3) (p, 6, ф) - (b) (0, -5, -5) (p, 6, ф) 3 %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.2: Ellipses
Problem 23E
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Change from rectangular to spherical coordinates. (Let p 2 0, 0 < 0 < 2n, and 0 < ¢ < n.)
(a)
(2, 2/3, 4V3)
(р, в, ф) %3D
(b)
(0, -5, -5)
(p, 0, $) =
Transcribed Image Text:Change from rectangular to spherical coordinates. (Let p 2 0, 0 < 0 < 2n, and 0 < ¢ < n.) (a) (2, 2/3, 4V3) (р, в, ф) %3D (b) (0, -5, -5) (p, 0, $) =
Expert Solution
Step 1

To change the coordinate from rectangular to spherical we can use these formulae:

ρ=x2+y2+z2θ=tan-1yxϕ=cos-1zx2+y2+z2 

 

 

 

 

 

 

 

Step 2

Part (a):

Given that x, y, z= 2, 23, 43

x=2,y=23,z=43ρ=22+232+432 =4+12+48  =64=8

θ=tan-1yx =tan-1232=tan-13=π3

ϕ=cos-1zx2+y2+z2 =cos-1438 =cos-132 =π6

Thus the spherical co-ordinates are ρ, θ, ϕ=8,π3,π6.

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