What is the locus of a surface when theta(θ) coordinate and phi(φ) coordinate is constant in Spherical coordinate system? - The Right Gate

# What is the locus of a surface when theta(θ) coordinate and phi(φ) coordinate is constant in Spherical coordinate system?

What is the locus of a surface when theta(θ) coordinate and phi(φ) coordinate is constant in Spherical coordinate system?

We know that, Theta(θ) = constant is a conical curved surface and phi(φ) = constant is a vertical half plane.

So the intersection of these two planes will be a line along radius r as shown in figure.

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