L28.2 Separation of variables - spherical polar coordinates - P-I

[@sohybali2696]

I am very indepted and thankful to you Professor... since in the nexr year or year and a half I will try to study this subject with the same textbook by myslef... Thank you a lot, this will make my study much easier.🙏🏼🙏🏼🤍

[@SAYPhysics]

Thanks for the appreciation dear 😊