Irrlicht Engine

Hello to the community:

I have programmed with IrrLicht about few weeks and I am satisfied with the 3d engine. Now I have a problem:

I have to compute three angles alfa,beta,gamma for make an a rotacion:

I have 2 vectors: (0,1,0) and (x,y,z).

My desire is rotate vector (0,1,0) and transform ...

Hello to the community, I need your help:
I have programmed with IrrLicht about few weeks and I am satisfied with the 3d engine. Now I have a problem:

I have to compute three angles alfa,beta,gamma for make an a rotacion:

I have 2 vectors: (0,1,0) and (x,y,z).

My desire is rotate vector (0,1,0 ...