The vector product of vectors A⃗ and B⃗ has magnitude 12.0 m2 and is in the +z-direction. Vector A⃗ has magnitude 8.0 mm and is in the −x−direction. Vector B⃗ has no x-component. What is the directional angle θθ of vector B⃗ B→ in the xyxy-plane measured counterclockwise from the +x+x-direction?