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purplemexican

  • one year ago

@tkhunny

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  1. Purplemexican
    • one year ago
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    i am getting cos(32) but its not an answer choice @Loser66

  2. Loser66
    • one year ago
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    you use pythagoras to find AB and \(AB=\sqrt{89}\) , right?

  3. Purplemexican
    • one year ago
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    yea

  4. Loser66
    • one year ago
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    hence \(cos(A)=\dfrac{8}{\sqrt{89}}\)

  5. Purplemexican
    • one year ago
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    oh i forgot that

  6. Purplemexican
    • one year ago
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    0.661 what i get now

  7. Loser66
    • one year ago
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    nope

  8. Loser66
    • one year ago
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    Carefully hit the calculator, it is 0.847998304

  9. Purplemexican
    • one year ago
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    yea thats what i got then its the cos of that

  10. Loser66
    • one year ago
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    that is the answer. That is cos of A = 0.847998304

  11. Loser66
    • one year ago
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    Read the question. It is "Find the VALUE of cosine of \(\angle A\)"

  12. Purplemexican
    • one year ago
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    ohhhhhh

  13. Purplemexican
    • one year ago
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    thank you

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spraguer (Moderator)
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