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References to 'spherical coordinates'
1. alternate characterization of curl by stevecheng
2. area bounded by arc and two lines by pahio
3. change of variables in integral on $\mathbb{R}^n$ by stevecheng
4. cissoid of Diocles by pahio
5. computation of moment of spherical shell by rspuzio
6. coordinate systems by matte
7. cylindrical coordinates by Wkbj79
8. derivation of surface area measure on sphere by rspuzio
9. derivation of the Laplacian from rectangular to spherical coordinates by swapnizzle
10. ellipse by matte
11. first fundamental form by stevecheng
12. gradient in curvilinear coordinates by stevecheng
13. Laplacian by matte
14. Leibniz notation for vector fields by stevecheng
15. perimeter of astroid by pahio
16. perimeter of ellipse by pahio
17. polar tangential angle by pahio
18. potential of hollow ball by pahio
19. quadratrix by pahio
20. surface integration with respect to area by rspuzio
21. topics on vectors by perucho