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  1. Top | #1

    Sep 2014
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  3. Top | #2

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    Q2
    x y c
    Q3
    1- c
    2-
    3- c a
    4- a,c b
    Q3
    1- ( )
    2- (y-y1)=m(x-x1)
    3-
    Q4
    1-
    2- = -1

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  5. Top | #3

    Sep 2014
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    Aug 2013
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    . ( ) . . : 3 3 ( ), ( ) , ( ) , , ( ) . .
    ; 01-29-2016 04:33 PM

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  8. Top | #5

    Dec 2013
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    ( )
    () tan = 90 ( )tan/ - = ( ) cot- =( + 90 )tan =

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: 1 (0 1 )


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