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gaara438125

  • 3 years ago

help on a triangle...

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  1. gaara438125
    • 3 years ago
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  2. gaara438125
    • 3 years ago
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    Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale. i know i use Cos

  3. gaara438125
    • 3 years ago
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    Sin rather....opposite/hypotenuse

  4. RadEn
    • 3 years ago
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    it is cosine : cos22 = x/11 or x = 11 * cos22 = ... ?

  5. gaara438125
    • 3 years ago
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    -10.99

  6. RadEn
    • 3 years ago
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    negative ?

  7. gaara438125
    • 3 years ago
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    10.19, i forgot to put in that 22 was degrees and not radians.

  8. RadEn
    • 3 years ago
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    Ohh... i see :) that's right

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