Question

@myininaya
Regular motion of the earth about the sun causes the daily change in the high temperature at any location on Earth. The chart and graph show the average daily high temperature, in degrees Celsius, for each month in Yellowknife, NWT, compiled for several years. (Also Graph for this question attached below)
Month Celsius Degrees
Jan -24
Feb -21
March -12
April -2
May 10
June 16
July 21
Aug 18
Sep 11
Oct 2
Nov -10
Dec -19
Determine the trigonometric equation that models this information, let y be the temperature in deg celsius and x be months

Answer 1

@precious32

Answer 2

@kevindragonlord

Answer 3

@Hero

Answer 4

So sorry, I can't be of very good help with this. @ninjasandtigers ??

Answer 5

@mertsj ?

Answer 6

@rcbigbull

Answer 7

nope, i would be of no help in this

Answer 8

@roseflutterwings np yo..i appreciate ur effort

Answer 9

Anytime, good luck :)

Answer 10

@wolf1728

Answer 11

@precious32 u getting something ?

Answer 12

sweetnikkie
That graph looks like a sine wave
I think I could come up with an equation that might crudely generate values

Answer 13

okay that could be helpful..

Answer 14

Okay for one thing I made my own graph and my own set of numbers - it is MUCH easier to read

Answer 15

y is temp Celsius and x is months

Rather than talking about temp is 'y' let's talk English

temp=(Sine((month# -4)*30))*20
So for May
temp=(sine((5-4)*30))*20
temp=(sine(1)*30)*20
temp = sine (30)*20
temp = .5 * 20
temp = 10

Which hits the nail right on the head for May.

Answer 16

@wolf1728 so what will be the equation of the given graph?
y=(sin(x-4)*30)*20 ?