# Talk:453: Upcoming Hurricanes

I wonder, is there a reason why Randall chose cos(x) over sin(x)? Is there a y-axis somewhere on the map? Not that it matters; just curious... Bobidou23 (talk) 23:24, 22 September 2012 (UTC)

*cos(x)*,*sin(x)*, they're the same thing, plus or minus pi/4... -- IronyChef (talk) 02:57, 23 September 2012 (UTC)

Something seems off about this explanation. Like reading a blog. 76.122.5.96 05:14, 28 October 2012 (UTC)

- If something is less than satisfactory, you are fully welcome (and even encouraged) to edit the explanation to be better. lcarsos (talk) 06:37, 28 October 2012 (UTC)

Whoever said hurricanes cannot form within 5 degrees of the equator was wrong... It is not likely but it is possible. http://en.wikipedia.org/wiki/Cyclone_Agni http://en.wikipedia.org/wiki/Typhoon_Vamei 152.2.128.198 14:36, 5 November 2012 (UTC)

This title-text seems strangely prophetic after Tropical Storm Sandy in 2012. 107.204.46.198 (talk) *(please sign your comments with ~~~~)*

Has anyone any idea what the "&" symbol is about in Hurricane Where-The-Hell-Is-Bermuda? 141.101.97.215 12:32, 13 May 2014 (UTC)

Regarding Hurricane cos(x):

- If Equator is the x-axis and the y-axis goes through the Prime meridian of Greenwich it would be possible to say if this was a true cosine function hurricane.
- A cosine would be 1 (the maximum value) at x=0 (i.e. the maximum value would occur under Greenwich), whereas a sine would be 0 at x=0.
- If it had been a basic cos(x) without any constants added, then it should have been centered along the equator instead of as it is - ranging from about 5.5° to 9.5° north latitude.
- But if the formula was of the form a*cos(b*x)+c with a, b and c given constant, the wave could move to the center of this range with c=7.5°. With the constant a=2° the wave would move between the max and minimum of the range, and then b could be chosen to make the wave length fit with the path shown in the map.