2011-10-17, 02:03 AM
The way I would do it is finding the formula for distance in x (Part 1 of your problem which you said you already got), derive it with respect to Theta, set to zero and see if the resultant equation equals the equation given to you.
But yeah, it's a lot of crappy algebra and calculus.
But yeah, it's a lot of crappy algebra and calculus.

