Question

trig help

Answer 1

d is your choice?

Answer 2

no... C

Answer 3

nope, both C and D, can you show me how you get that?

Answer 4

i put it into a graphing calculator and matched it.

Answer 5

we have a formula to find out the period of a sin function, for example if you have sin x, then, the period of it is \(\dfrac{2\pi}{1}=2\pi\), if you have sin(2x), the period is \(\dfrac{2\pi}{2}=\pi\). One more, If you have sin(10x), the period is \(\dfrac{2\pi}{10}= \dfrac{\pi}{5}\)
from then, your period is 580(from your graph) so, the number in the front of x in sin function (let say it is N) is \(\dfrac{2\pi}{N}=580\rightarrow N= \dfrac{2\pi}{580}=\dfrac{\pi}{290}\)
therefore, your function should be \(\large sin \dfrac{\pi}{290}x\)

Answer 6

i got f(x)=0 so a graph didn't come up.... are you sure?

Answer 7

to this kind of question, your duty is find out the number in the front of x of sin function.

Answer 8

let tag other, they may give you more explanation, @phi

Answer 9

i'm open.

Answer 10

@agent0smith

Answer 11

@e.mccormick

Answer 12

hello?

Answer 13

????

Answer 14

@agent0smith @OOOPS @ams98 @DeadShot

Answer 15

I think because of the bad net, and you closed your post, that's why others cannot know you tag them