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greeneyes<3

Evaluate without using a calculator: tan (330) My answer was (-sqrt 3)/3 Please check my answer...i'm awful at math :/ Thanks! :)

  • one year ago
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  1. chaise
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    This is correct! :)

    • one year ago
  2. greeneyes<3
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    Thanks! Um, but i don't understand my next problem which is csc (-405) Can you explain to me please?

    • one year ago
  3. chaise
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    I'm not too familiar with csc, but what I will tell you is that -405degrees is the same as -45 degrees, if that is hepful!

    • one year ago
  4. dpaInc
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    csc (angle) = 1/ sin (angle) cosecant is just the reciprocal of the sine function.

    • one year ago
  5. greeneyes<3
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    would the answer be \[\sqrt{-2}\]?

    • one year ago
  6. greeneyes<3
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    sorry i meant -\[\sqrt{2}\]

    • one year ago
  7. dpaInc
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    forgot the negative....

    • one year ago
  8. chaise
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    she did do the negative, it was just in the next line. she did the negative out of equation editor and the sqrt(2) in the equation editor which moves it down to the next line it's a little ambiguous, but it is there.

    • one year ago
  9. greeneyes<3
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    ... so it's right? negative square root two? lol xD

    • one year ago
  10. dpaInc
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    yes... see? don't every say you're awful at math again!!! good work. :)

    • one year ago
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