- #1
phil ess
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Homework Statement
Let P(x1,y1) be a point on the parabola y2 = 4px with focus F(p,0). Prove that the angles "a" and b" are equal, thus showing that a paraboloid will reflect all light from the focus in a parallel beam.
Homework Equations
Dont know of any
The Attempt at a Solution
unfortunately i have no idea how to start this one. can someone get me going in the right direction?
Oh here's what it looks like:
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