Mathematics, 24.04.2020 19:16 vannahboo2022
The cylindrical coordinates of a point P are (r, θ, z) where (r, θ) are polar coordinates for (x, y). The spherical coordinates of a point P are (rho, θ, φ) where rho is the radial distance from P to the origin, θ is the same polar angle as in cylindrical/polar coordinates, and φ is the azimuthal angle, measured from the positive z axis to the ray from the origin to P. Study the picture below:
(a) Find an expression for the cylindrical coordinate r in terms of the spherical coordinates rho, θ, and φ.
r =
(b) Find an expression for the rectangular coordinate x in terms of the spherical coordinates rho, θ, and φ.
x =
(c) Find an expression for the rectangular coordinate y in terms of the spherical coordinates rho, θ, and φ.
y =
(d) Find an expression for the rectangular/cylindrical coordinate z in terms of the spherical coordinates rho, θ, and φ.
z =
(e) Find an expression for a spherical coordinate rho in terms of the rectangular coordinates x, y, and z.
rho =
(f) Find an expression for a spherical coordinate rho in terms of the cylindrical coordinates r, θ, and z.
rho =
(g) Find an expression for a spherical coordinate φ in terms of the cylindrical coordinates r, θ, and z. Careful, it should be piecewise defined.
φ =
(h) Find an expression for a spherical coordinate φ in terms of the rectangular coordinates x, y, and z. Careful, it should be piecewise defined.
φ =
(i) Find an expression for a spherical/cylindrical coordinate θ in terms of rectangular coordinates x, y, and z. Careful, it should be piecewise defined.
θ =
(j) Determine cylindrical coordinates for the point whose rectangular coordinates are (−1, √ 3, −2).
(r, θ, z) =
(k) Determine spherical coordinates for the point whose rectangular coordinates are (−1, √ 3, −2).
(rho, θ, φ) =
Answers: 3
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The cylindrical coordinates of a point P are (r, θ, z) where (r, θ) are polar coordinates for (x, y)...
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