FromSphericalCoordinates
FromSphericalCoordinates[{r, θ, ϕ}] gives the {x, y, z} Cartesian coordinates corresponding to the spherical coordinates {r, θ, ϕ}.
Examples
Convert spherical to Cartesian coordinates:
FromSphericalCoordinates[{1, Pi/4, Pi/3}]Convert a unit vector:
FromSphericalCoordinates[{1, Pi/2, 0}]Please visit the official Wolfram Language Reference for more details.