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Nah, you definitely did it better.

Correct me if I'm wrong (my high school trigonometry is a bit rusty), but doesn't that not actually change the answer since the cosine function is y-axis symmetrical?

Thats the joke. 47 (Jock) is an idiot in Math and doesn't even know Grade 8 math, as you can see.

@Lily Yeah that's correct. My trig teacher always told us: Cosine crushes, Sine slides. Crushes and slides the negative sign, that is.

@ Lily , lol thats the joke Lily haha. this kid has no idea that it doesn't make a difference because he doesn't know math haha. I thought this was hilarious !!!

this is better than the intel add imo, coz they just used some garbabe mathematics(the kind you see in big budget movie, oh its a gaussian we are all doomed and the like)

The intel commercial is actual physics, just a lot of quantum field theory calculations.

Ah the joke is better pulled of here than intel. Also, cos(-a) = cos(a) so you can laugh to the beach and get a tan ;)

But I hate it when someone goes to even the restroom in the middle of a math problem ;)

I prefer "find the limit of (e^lnx)/x, x->infinity. (hint: use l'hopital).

make sin(a) sin(-a). That'll teach him to not go to the bathroom during a simple math "problem". ^^

Quote:

"pku | April 15, 2010 6:27 AM | Reply

I prefer "find the limit of (e^lnx)/x, x->infinity. (hint: use l'hopital)."

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no need for l'hospital, cuz it's e^ln(x) = x

-> and x/x equals 1

we know..but thanx anyway..

its funny bcoz upon l'hospital it gives the same function..

This one had me laughing. A delightful twist on the old "change a sign" joke. His prank didn't work! :D Idiot...

this reminds me of the time i changed my friend's calculator from degrees to radians when he wasn't looking.

haha,it just make tan(a) no? :p very funny

The intel video has been removed by the user, any idea what it was called or has an alternative link laying around

http://www.youtube.com/watch?v=Gzi4xfMWMuw

Hahahaha!

Because the kid doesn't know that cosine of negative alpha is the same as cosine alpha

When the student comes back from the bathroom:

*Sees paper*

"Thanks. Thus the answer is tangent alpha...hue, luckily teacher only gave 2 questions"

*Leaves*

*The 47 guy RAGES*

when it actually matters and your handwriting squeezed up in a tight space misleads you...