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cutiecomittee123

  • one year ago

tan(25pi/2)= How do i solve for this? The options are: 0 1 -1 undefined

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  1. javalos01
    • one year ago
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    hello do you need help

  2. cutiecomittee123
    • one year ago
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    yes. but i already found out the answer to this question here is another that i need help with if you are willing to help that would be awesome "The statement tantheta=-12/5 and csctheta==13/12 and the terminal point determined by theta is in quadrant 3....... a.cannot be true because 12^2+5^2 does not equal 1" b.cannot be true because if tantheta=-12/5 then csctheat=+-13/5" c.cannot be true because tantheta must be less than one" d.cannot be true because tantheta is greater than zero in quadrant 3" Which one of these fits the best and why?

  3. cutiecomittee123
    • one year ago
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    @javalos01

  4. cutiecomittee123
    • one year ago
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    I know that if it is in quadrant 3 then sintheta is negative and costheta is positive.

  5. javalos01
    • one year ago
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    ok what do u need

  6. javalos01
    • one year ago
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    correct go on

  7. javalos01
    • one year ago
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    if all of them are wrong there has to be a correct one

  8. javalos01
    • one year ago
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    which one do you for sure think it is

  9. cutiecomittee123
    • one year ago
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    i think that a is the correct one because when you are trying to solve for a trigonometric eqtuation and you have two sides you always set it equal to one. and if 12^2+5^2 arent equal to 1 it cannot be true

  10. javalos01
    • one year ago
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    ok i gtg and i think ur correct

  11. cutiecomittee123
    • one year ago
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    well thanks

  12. anonymous
    • one year ago
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    \[\tan \frac{ 25 \pi }{ 2 }=\tan \left( 6\times 2 \pi+\frac{ \pi }{ 2 } \right)=\tan \frac{ \pi }{ 2 }=in finity\]

  13. anonymous
    • one year ago
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    infinity means undefined.

  14. cutiecomittee123
    • one year ago
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    oh i see thanks for that!

  15. cutiecomittee123
    • one year ago
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    can you help with my other question. did i chose the right answer?

  16. anonymous
    • one year ago
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    sure ,if possible.

  17. cutiecomittee123
    • one year ago
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    alright its on here already and that guy tried to help me but iw as wondering if you can double check it for me its the question above ^^^

  18. anonymous
    • one year ago
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    ok

  19. anonymous
    • one year ago
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    your statement is wrong tan theta is positive in quadrant 3

  20. anonymous
    • one year ago
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    here csc theta is positive, tan theta is negative so theta lies in 2nd quadrant.

  21. anonymous
    • one year ago
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    d is correct.

  22. anonymous
    • one year ago
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    d says statement is wrong because tan theta >0 in quadrant 3.

  23. cutiecomittee123
    • one year ago
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    but how would tantheta be postitive when its y/x and y is negative -y/x= a negative outcome

  24. cutiecomittee123
    • one year ago
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    @surjithayer

  25. anonymous
    • one year ago
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    |dw:1443059466366:dw|

  26. cutiecomittee123
    • one year ago
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    oh yeah. okay gotcha! and that cannot work so it must be in the second quadrant because tantheta is greater than 0 in quadrant 3 and in the statment it says that tan is negative

  27. cutiecomittee123
    • one year ago
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    awesome thanks

  28. anonymous
    • one year ago
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    yw

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