neilparker62's latest activity
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neilparker62 reacted to Charles Link's post in the thread Undergrad Trigonometry problem of interest with
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@neilparker62 My solution with your diagram is simple. Let RL=red line. Then ## (RL)^2=2^2+4x^2-2(2)(2x) \cos{\theta} ## and ##... -
neilparker62 replied to the thread Undergrad Trigonometry problem of interest.Thanks - just once though! Since one triangle is right, Pythagoras will there suffice.
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neilparker62 replied to the thread Undergrad Trigonometry problem of interest.
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Very interesting. It reminded me of what my company did in the 80's. We needed to take an optical image of a fingerprint, compress it...
