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pottersheep Group Title

I need help please for this Trig equation!

  • one year ago
  • one year ago

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  1. pottersheep Group Title
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    How do I do tan2x = -1 between -2pi<=x<=2pi ??

    • one year ago
  2. cwrw238 Group Title
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    first find all values of 2x whose tan = -1 in the range -4pi to 4pi then divide by 2

    • one year ago
  3. cwrw238 Group Title
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    first find all values of 2x whose tan = -1 in the range -4pi to 4pi then divide by 2

    • one year ago
  4. pottersheep Group Title
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    My values dont match the teachers, well my negative values dont

    • one year ago
  5. cwrw238 Group Title
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    |dw:1353876122189:dw|

    • one year ago
  6. cwrw238 Group Title
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    |dw:1353876122189:dw|

    • one year ago
  7. pottersheep Group Title
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    Yup okay so 3pi/4 and 7pi/4

    • one year ago
  8. cwrw238 Group Title
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    the 2 values of x between 0 and 2pi are 4p-/4 and 7pi/4 - yes

    • one year ago
  9. cwrw238 Group Title
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    * 3pi/4

    • one year ago
  10. pottersheep Group Title
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    can you help me find al the values though please

    • one year ago
  11. cwrw238 Group Title
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    values of 2x are 3pi/4,7pi/4, 3pi/4 + 2pi, 7pi/4 + 2pi, -pi/4, -5pi/4, -pi/4 - 2pi, -5p i/4- 2pi ill let you simplify some of those values of x are half of these

    • one year ago
  12. cwrw238 Group Title
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    values of 2x are 3pi/4,7pi/4, 3pi/4 + 2pi, 7pi/4 + 2pi, -pi/4, -5pi/4, -pi/4 - 2pi, -5p i/4- 2pi ill let you simplify some of those values of x are half of these

    • one year ago
  13. pottersheep Group Title
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    Thank you!! That's what I got too but thats not what my teacher did so I got confused!

    • one year ago
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