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Math Help - Trignometric prol

  1. #1
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    Trignometric problem

    Hi i can't solve this problem

    P is a variable point on the semicircumference of radius 2 and H is its projection on the diameter AB

    A) Study the function
    f(x) = PH +HB

    angle x=PAH

    answer:



    thanks you
    Last edited by pauline; October 25th 2010 at 01:25 PM.
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  2. #2
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    I bet it is.

    What else can you tell us?
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  3. #3
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    sorry now it's clear
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