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Venomblast

  • 3 years ago

i need one last help

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  1. koda10
    • 3 years ago
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    |dw:1355995034204:dw|

  2. Venomblast
    • 3 years ago
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    2sin(theta)^2+square root of 3 times sine (theta)=0

  3. hartnn
    • 3 years ago
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    \(2\sin^2 x+\sqrt{3sin x}=0\) right ?>

  4. Venomblast
    • 3 years ago
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    for some reason tis site is not letting use the equation button

  5. waterineyes
    • 3 years ago
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    \[2 \sin^2(\theta) + \sqrt{3 \cdot \sin(\theta)} = 0\]

  6. waterineyes
    • 3 years ago
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    Reload your page.

  7. Venomblast
    • 3 years ago
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    \[2sine(\theta)^{2}+\sqrt{3}sine(\theta)=0\] i got for theta 0, 180, and 300

  8. hartnn
    • 3 years ago
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    sin x(2sin x+sqrt 3)=0 sin x = 0 ---- > x=0,180,360 sin x =-sqrt 3/2 ----> x=.... ?

  9. Venomblast
    • 3 years ago
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    what? i am, lost

  10. Venomblast
    • 3 years ago
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    i got -60

  11. waterineyes
    • 3 years ago
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    \[\sin x(2\sin x+\sqrt{ 3})=0\] Here just put the factors equal to 0 separately..

  12. Venomblast
    • 3 years ago
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    0 and 360 is the same exaxt degree. there suppose to be 4 solutions

  13. waterineyes
    • 3 years ago
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    \[\sin(-60) = - \frac{\sqrt{3}}{2}\] Yes you are right..

  14. Venomblast
    • 3 years ago
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    then you add 360. you get back to 300.

  15. hartnn
    • 3 years ago
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    yes, u get 2 solutions for sin x = -sqrt 3/2

  16. waterineyes
    • 3 years ago
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    Generally you can find them using : \[x = n \pi + (-1)^n y\]

  17. Venomblast
    • 3 years ago
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    whar are the 2 solution? i only can get 3. how u get the 4th one?"

  18. waterineyes
    • 3 years ago
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    See here : \[\sin(x) = \sin(-\frac{\pi}{3})\]

  19. waterineyes
    • 3 years ago
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    So : According to that general form : \[x = n \pi + (-1)^n (-\frac{\pi}{3})\]

  20. waterineyes
    • 3 years ago
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    Now, here n is an integer, you can put n = 1, 2,3 etc or you can put -1, -2 -3 etc.. To find the required solution..

  21. Venomblast
    • 3 years ago
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    i domt see anything o.o

  22. waterineyes
    • 3 years ago
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    For example : Put n = 0 here : \[x = - \frac{\pi}{3}\]

  23. waterineyes
    • 3 years ago
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    Again refresh your page so see here LATEX..

  24. Venomblast
    • 3 years ago
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    i did

  25. Venomblast
    • 3 years ago
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    man i onmly got 3 degrees

  26. waterineyes
    • 3 years ago
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    What you got as your solutions tell me?

  27. Venomblast
    • 3 years ago
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    0, 180 and 300

  28. waterineyes
    • 3 years ago
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    Wait, put n= 2 there and tell me what are you getting??

  29. waterineyes
    • 3 years ago
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    Is there any range given to you in which you are to find these solutions?? Like 0 to 360..

  30. waterineyes
    • 3 years ago
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    Are you not getting 240 as one of its solutions?

  31. waterineyes
    • 3 years ago
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    Not interested in replying ?? @Venomblast

  32. Venomblast
    • 3 years ago
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    that what im looking for. i got 0 which is the same as 360 degrees and 180

  33. Venomblast
    • 3 years ago
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    openstudy didnt want to put up my post for like 8 min

  34. waterineyes
    • 3 years ago
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    Is there any range in which you are to find the solutions or not??

  35. Venomblast
    • 3 years ago
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    can you tell me the solution. im so sleepy. i dont know the answer and i really want ot know but it 5:06 am

  36. waterineyes
    • 3 years ago
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    Yes I am telling you the answer..

  37. Venomblast
    • 3 years ago
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    then what is it?

  38. waterineyes
    • 3 years ago
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    So, when you will wake up and come on openstudy next time, answer I will tell you then definitely.. So sleep well...

  39. Venomblast
    • 3 years ago
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    just tell me. i have to hand this in.

  40. waterineyes
    • 3 years ago
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    I do not have power to tell you the answer only.. I have given you the formula above just put up the values of n there you will surely have your answer..

  41. Venomblast
    • 3 years ago
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    im not use to thqt formula. you learn it differently from me

  42. waterineyes
    • 3 years ago
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    Sorry, if you want help then I can help you.. So, try to understand what I am saying to you..

  43. waterineyes
    • 3 years ago
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    I agree I have studied it different from you... But what is the problem you are facing in using the formula, tell me..

  44. waterineyes
    • 3 years ago
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    See, if you do it now on your own, then next time you need not to ask it from anybody.. So, keep it up and solve it, I know you can do.. When problem you will face, then let me know..

  45. Venomblast
    • 3 years ago
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    i dont understand it

  46. Venomblast
    • 3 years ago
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    i did do it on my own. dude. i got 3 answes out of 4.i havnt slept yet and my next class is at 8 am

  47. waterineyes
    • 3 years ago
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    I am just saying you to just put n = 2 here : \[x = n \pi + (-1)^n (- \frac{\pi}{3})\]

  48. waterineyes
    • 3 years ago
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    See, if your next class is at 8 am, then it is not my fault.. I can't do anything in this...

  49. Venomblast
    • 3 years ago
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    i never seen this formula in my life.

  50. waterineyes
    • 3 years ago
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    But you will see surely and soon..

  51. Venomblast
    • 3 years ago
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    how do u know. i leanr it differenltly. i cutally have to draw the circle

  52. waterineyes
    • 3 years ago
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    See, I tell you how you got 300 there : Put n= 2 here : \[x = (2) \pi + (-1)^2 (-\frac{\pi}{3})\] \[x = 2\pi - \frac{\pi}{3} \implies \color{red}{x = \frac{5 \pi}{3} = 300}\]

  53. waterineyes
    • 3 years ago
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    Now, simply put n = 1 in the formula to get the required solution..

  54. Venomblast
    • 3 years ago
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    woa.. but i told you already. i already got 300 as my asnwer|dw:1355998903609:dw|

  55. waterineyes
    • 3 years ago
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    Nice answer.. Well Done..

  56. Venomblast
    • 3 years ago
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    woa.. but i told you already. i already got 300 as my asnwer

  57. Venomblast
    • 3 years ago
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    this website need to be better

  58. hba
    • 3 years ago
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    @waterineyes Good for nothing. Ha Ha Ha...

  59. waterineyes
    • 3 years ago
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    I just showed you, mathematically How you got 300..

  60. Venomblast
    • 3 years ago
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    ok. but how you get the rest. i just need 1 more degree

  61. waterineyes
    • 3 years ago
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    Dear, put n = 1 there in the formula.. Why aren't you plugging n = 1 there ??

  62. Venomblast
    • 3 years ago
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    bnut that will jsut get me 300no?

  63. hba
    • 3 years ago
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    @waterineyes You are not helping Ha Ha Ha,...

  64. waterineyes
    • 3 years ago
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    No, that will not give you 300.. Try that once.

  65. waterineyes
    • 3 years ago
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    Yeah.. But I am still trying..

  66. waterineyes
    • 3 years ago
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    He has done everything, but he does not want to put n = 1 there..

  67. hba
    • 3 years ago
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    \[x = (2) \pi + (-1)^2 (-\frac{\pi}{3})\] put n=1 @Venomblast

  68. Venomblast
    • 3 years ago
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    2pi/3

  69. waterineyes
    • 3 years ago
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    \[x = (1) \pi + (-1)^1 (-\frac{\pi}{3})\]

  70. Venomblast
    • 3 years ago
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    -2pi/3

  71. waterineyes
    • 3 years ago
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    \[x = \pi + \frac{\pi}{3} = ??\]

  72. hba
    • 3 years ago
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    4/3 pi *

  73. waterineyes
    • 3 years ago
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    Nice @hba \[\frac{4 \pi}{3} = ??\]

  74. hba
    • 3 years ago
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    4*180/3=

  75. Venomblast
    • 3 years ago
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    i need the degree. not the redian.

  76. Venomblast
    • 3 years ago
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    nvm i will just ask someon eelse.

  77. hba
    • 3 years ago
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    240 degree.

  78. waterineyes
    • 3 years ago
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    I am just saying convert that radian into degrees..

  79. Venomblast
    • 3 years ago
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    that maa work. why cant u justuse the circle.

  80. waterineyes
    • 3 years ago
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    I think, @hba is more helpful than me..

  81. hba
    • 3 years ago
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    @Venomblast what ?

  82. hba
    • 3 years ago
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    @waterineyes I am useless lol :D Not helpful :P

  83. Venomblast
    • 3 years ago
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    how u got 240. did you add 180 or something? becuase it has to be in quad 3 right. but how?

  84. waterineyes
    • 3 years ago
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    See : \[\frac{\pi}{3} = 60\] Right ??

  85. Venomblast
    • 3 years ago
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    i had -60. so i added 360. and i got 300 degrees. so now how did you get 240?

  86. hba
    • 3 years ago
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    It is in 3rd quad. |dw:1356000009002:dw|

  87. Venomblast
    • 3 years ago
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    sorry i dont use radians to figure this problem. i told u . i use the actualt cricle

  88. Venomblast
    • 3 years ago
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    |dw:1356000136227:dw| but how you got 240?

  89. waterineyes
    • 3 years ago
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    simple buddy.. 300 - 60 = 240. Ha ha ha ha @hba

  90. waterineyes
    • 3 years ago
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    Tell me sine is negative in which quadrants??

  91. hba
    • 3 years ago
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    @waterineyes Let me summarize trig Ha Ha Ha...

  92. hba
    • 3 years ago
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    |dw:1356008695751:dw|

  93. Aryang
    • 3 years ago
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    |dw:1356009445331:dw|

  94. amistre64
    • 3 years ago
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    wow, that was almost too painful to read ;)

  95. hba
    • 3 years ago
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    @amistre64 lol :P

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