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  1. Top | #13

    Apr 2012
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    5 -
    ^2 + ^2 + ^2 = 1 - 2

    + + = 180
    = - ( + ) = - [ - )
    ^2 = ^2*^2 + ^2*^2 - 2* *
    = ^ ^2 + (1 - ^2)(1 - ^) - 2* *
    = 2 ^2 ^2 - ^2 - ^2 + 1 - 2* *
    = 2 [ - ] - ^2 - ^2 + 1
    = 2 *( + ) - ^2 - ^2 + 1
    = - 2 - ^2 - ^2 + 1
    ^2 + ^2 + ^2 =
    = - 2 - ^2 - ^2 + 1 + ^2 + ^2
    = 1 - 2

  2. Top | #14

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  3. Top | #15

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  4. Top | #16

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  5. Top | #17

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  6. Top | #18

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  7. Top | #19

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  8. Top | #20

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  9. Top | #21

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  10. Top | #22

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  11. Top | #23

  12. Top | #24

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