Mathematics · Coordinate Systems
Which of the following expressions represents an incorrect relation between spherical coordinates (r, θ, φ) and Cartesian coordinates (x, y, z)?
- 1r = √(x2 + y2 + z2)
- 2φ = tan-1(y / x)
- 3θ = cos-1(z / r)
- 4θ = z / r✓
Correct answer
θ = z / r
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