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alyssababy7

Use even and odd properties of the trigonometric functions to find the exact value of the expression. csc (-pi/6)

  • one year ago
  • one year ago

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  1. love_math
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    you know csc is 1/sin, right? and sin is odd function

    • one year ago
  2. love_math
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    so csc is also odd, then it will be obvious to find the answer

    • one year ago
  3. alyssababy7
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    would it be 2 or -2?

    • one year ago
  4. love_math
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    -2, since f(-x)=-f(x), you may take out the - sign first and then calculate

    • one year ago
  5. alyssababy7
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    thank you

    • one year ago
  6. love_math
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    medal...

    • one year ago
  7. dumbcow
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    its -2 ... unit circle will really help you with this http://en.wikipedia.org/wiki/File:Unit_circle_angles_color.svg

    • one year ago
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