2: Read your books, study hard, and learn to do your own homework.
3: Goooooooooooogle information regarding the requested subject.
4: Multiply and/or divide every X,Y and Z constant (by 1.414/0.707) into the equation, remembering to include the cosine tangent of pi at the same time that the Perigree moon is out tonight, and then dividend the root 3 of that.
5: See. It's as easy as that; 1, 2, 3 - all done! #4 is kind of 'iffy'