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anonymous

  • 4 years ago

find the length of a.

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  1. amistre64
    • 4 years ago
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    i hope its a vector

  2. anonymous
    • 4 years ago
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    yet there is nothing :P.

  3. amistre64
    • 4 years ago
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    must be the zero vector :)

  4. anonymous
    • 4 years ago
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    looo. nice joke ;)

  5. anonymous
    • 4 years ago
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    |dw:1327528713930:dw|

  6. anonymous
    • 4 years ago
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    no i drew it

  7. amistre64
    • 4 years ago
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    law of cosines

  8. amistre64
    • 4 years ago
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    the pythag is a special occurence of the law of cosines such that A would be 90 degrees.

  9. amistre64
    • 4 years ago
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    c^2 = a^2 + b^2 -2ab cos(t)

  10. amistre64
    • 4 years ago
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    so, in this case c is called a .... ugh a^2 = 12^2 + 15^2 -2(12)(15) cos(110), making sure the calculator is reading degrees and not radians is nice

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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