For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

Please help me with these 2 vector problems, they are not really hard but I can't seem to solve them.<BR>Would any of you show me how you solve these?<P>1.<BR>Find the angle X, 0 degrees < X < 180 ...