Cartesian to spherical-polar coordinates

in this video the conversion of Cartesian to polar coordinates has been explained.
Previous Lectures
   • Lecture 1 Quantum Chemistry  
Lecture 2 Postulates of Quantum Mechanics
   • Lecture 2 Postulates of quantum Mecha...  
Lecture 3 Operators-I
   • LECTURE 3 OPERATORS IN QUANTUM MECHANICS  
Lecture 4 Operators –II
   • Lecture 4 (Operators part2)  
Lecture 5 Derivation of Schrodinger’s wave equation
   • lecture 5 Derivation of Schrodinger's...  
Lecture 6 Solution of Schrodinger’s wave equation for particle in 1-D box
   • Lecture 6 solution of Schrodinger's w...  
Lecture 7 Particle in 3-D box
   • Lecture 7  
Lecture 8 Schrodinger’s Equation for vibrational motion
   • lecture 8 Solution of Schrodinger's w...