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OpenStudy (anonymous):
@waterineyes
OpenStudy (anonymous):
What mood you are in ??
OpenStudy (anonymous):
i think im not in the good mood...lol
OpenStudy (anonymous):
2 + 2 = 5 I think..
OpenStudy (anonymous):
thats why most of people asking 2+2
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OpenStudy (anonymous):
And now don't use the concepts of calculus or laplace to prove me wrong..
Ha ha ha..
OpenStudy (anonymous):
you have two apples...
OpenStudy (anonymous):
hah ha ha..
OpenStudy (anonymous):
Do you want to show something Kazem benim yoldashim by posting this question ??
OpenStudy (anonymous):
no
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OpenStudy (anonymous):
just for fun
OpenStudy (anonymous):
and giving a medal to u....lol
OpenStudy (anonymous):
but i wanna come up with a real question now
OpenStudy (anonymous):
Medal??
take it back..
Ha ha ha...
OpenStudy (anonymous):
And Now I am afraid that what your real question is ..
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OpenStudy (anonymous):
I am not typing..
OpenStudy (anonymous):
@hartnn
are u typin?
hartnn (hartnn):
2=2
2x=2x
sin 2x = sin2x = sin (x+x)
now,we know:sin(A+B)=sinAcosB+cosAsinB
so,sin2x=sinx*cosx+sinx*cosx
---->sin2x=2sinx*cosx
see,i proved a trignometric identity using the fact 2=2
then think,how many wonders more it can create!!