各位数学高手，求教一个几何问题：
Two vectors: vector A and vector B. The angle theta between A and B is known
, how can I get an expression of vector B in terms of vector A and sin(theta
) ？
假定 A，B都是normalized.
如果无解，那么 the difference vector A-B 能否写成一个含sin(\theta)的表达式
多谢！
