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greeneyes<3

  • 4 years ago

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

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  1. chaise
    • 4 years ago
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    This is correct! :)

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

  3. chaise
    • 4 years ago
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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!

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

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

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

  7. dpaInc
    • 4 years ago
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    forgot the negative....

  8. chaise
    • 4 years ago
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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.

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

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

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