## anonymous 3 years ago Choose the graph of y =1/3 sin 2x

1. anonymous

2. anonymous

3. anonymous

the one that looks just like sine, but with amplitude $$\frac{1}{3}$$ and perios $$\pi$$

4. anonymous

5. anonymous

6. anonymous

i plugged into the cal and it didnt show me either of the 4

7. saifoo.khan

What you YOU think it can be?

8. anonymous

i think its the 3rd 1

9. saifoo.khan

it's sin.

10. saifoo.khan

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11. anonymous

the 4th one

12. anonymous

:)

13. anonymous

@saifoo.khan right?

14. anonymous

no

15. saifoo.khan
16. anonymous

it is the one with period $$\pi$$ not $$2\pi$$

17. anonymous

scared the hell out of me

18. anonymous

ok it has 2 be the first one

19. anonymous

meee too btw

20. saifoo.khan
21. anonymous

the fourth one has a longer period, the third one is not sine, i think it is the second one you are looking for

22. anonymous

something wrong with that boy...

23. anonymous

do you know how to tell the period from the graph?

24. anonymous

saifooooooo!

25. anonymous

lol :) so its the 2nd one? right @satellite73

26. saifoo.khan

Which post is for me? lol.

27. saifoo.khan

@satellite73

28. anonymous

yeah that is the one with period $$\pi$$

29. anonymous

saifoo, it is all for you!

30. saifoo.khan

b is incorrect! D:

31. anonymous

really?

32. anonymous

u guys are confusing how is it a then?

33. saifoo.khan
34. anonymous

i am sticking with B the one with period $$\pi$$

35. saifoo.khan

Satellite always confuse people

36. saifoo.khan

Hey! There will be 2 periods!!!

37. anonymous

you look like you just got back from your jr prom!

38. saifoo.khan

2 periods in 360* And no, it's Oscars. :D

39. anonymous

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40. saifoo.khan

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41. anonymous

saifoo has had too much sid period of $$\sin(bx)$$ is $$\frac{2\pi}{b}$$ in your case it is $$\pi$$

42. saifoo.khan

SID = Sound Interface Device ? lol.

43. anonymous

there is no 360 on the damn graph. there is only numbers, not degrees! and it does all its business between 0 and $$\pi$$ making the period $$\pi$$

44. anonymous

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45. saifoo.khan

Why it won't be A? http://drawception.com/pub/panels/2012/5-11/4acnsfph7c-14.png

46. anonymous

you are confusing this poor student!

47. anonymous

i am a little lol :)

48. saifoo.khan

I'm a tiny.

49. anonymous

it won't be A because the period of A is $$\frac{\pi}{2}$$

50. anonymous

zero to one to zero to minus one to zero, length is $$\pi$$

51. anonymous

ok thanks guys lol sorry my questions caused all this

52. saifoo.khan

Still don't get it

53. anonymous

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54. anonymous

saifoo is very smart, he is just being dense at the moment

55. saifoo.khan

Dang! I get it. Kill meeeee!!!!!!!!!!!!!! -_- i forgot about 2pi/b

56. anonymous

lol u guys crack me up

57. anonymous

whew!!!

58. saifoo.khan

It's 5:58am here. Bed is calling me.

59. anonymous

yikes! get some sleep, dream about periodic functions

60. saifoo.khan

lol. We are being taught cot graphs and stuff.

61. saifoo.khan

(back at school)

62. anonymous

ick glad it is you and not me

63. saifoo.khan

lol.