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Venomblast Group Title

i need help guys. i need 1 more solution

  • one year ago
  • one year ago

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  1. Venomblast Group Title
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    \[\tan(\theta)^{2}-7\tan(\theta)-12=0\]

    • one year ago
  2. Venomblast Group Title
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    i use the quadratic formula and i have 3 out of 4 answers. thisis my answer theta = 83.23,305.07 and 263.23. (there are in degrees) that all i got. what the 4th solution?

    • one year ago
  3. hartnn Group Title
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    when u got 83.23, you add 180 to get 263.23 when u get 305.07, you subtract 180 to get 305.07-180 =... ? because, the tan is periodic with 180 degrees, that is the value of tan repeats after every 180 degrees.

    • one year ago
  4. Venomblast Group Title
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    omg i forgot about that. thanks a lot man. i know how to do this, is that i really forgot. thanks for refreshing my memory

    • one year ago
  5. hartnn Group Title
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    welcome ^_^

    • one year ago
  6. Venomblast Group Title
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    wait a sec. if i subtract 180, i wil end upin the 3rd quadrant and the 3rd quadrant is sin.

    • one year ago
  7. hartnn Group Title
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    ' 3rd quadrant is sin.' what does that mean ?

    • one year ago
  8. Kainui Group Title
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    All the quadrants are sine... and cosine.

    • one year ago
  9. Venomblast Group Title
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    becuase tan can only be in the 3rd and the 1st. what i meant to say is that 120 degrees is at the 2nd quad. how is tan is postive?

    • one year ago
  10. hartnn Group Title
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    you got 2 roots, right ? one positive ---> 1st and 3rd Quad one negative --->2nd and 4th quad.

    • one year ago
  11. Venomblast Group Title
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    i dont get it.

    • one year ago
  12. hartnn Group Title
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    ok, what 2 roots do u have for quadratic equation ?

    • one year ago
  13. hartnn Group Title
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    for positive root, u get 83 and 263 --->1st and 3rd Quad

    • one year ago
  14. Venomblast Group Title
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    ok

    • one year ago
  15. hartnn Group Title
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    for negative root , u get 120 and 305 approx ---> 2nd and 4th quad

    • one year ago
  16. hartnn Group Title
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    125 and 305

    • one year ago
  17. Venomblast Group Title
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    ok i will post another question similiar to this

    • one year ago
  18. hartnn Group Title
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    sure.

    • one year ago
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