You did not explain which places of the solution are not clear. In the
solution, the curl is calculated as the cross (vector) product with a
help of the corresponding determinant. One need to take A_r= 1,
A_phi=r, A_theta=rcos(theta) in this problem.
Comments
You did not explain which places of the solution are not clear. In the solution, the curl is calculated as the cross (vector) product with a help of the corresponding determinant. One need to take A_r= 1, A_phi=r, A_theta=rcos(theta) in this problem.
I want step by step explaination?