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do u know how to solve this ?

sin(2x) is more interesting :)

Is it sin^2x + 4sinx + 3 = 0 ?

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|dw:1345778720492:dw|
i dont know why latex is not working..

sin 2x

\[sin2x + 4sinx + 3\]

\[sin2x = 2sinxcosx\]
\[ 2sinxcosx + 4sinx + 3 = 0 \]

have you tried that yet?

hm...hm.... u need...to find the General soln of this....!

I don't understand why @UnkleRhaukus can't finish it

hmm
http://www.wolframalpha.com/input/?i=sin2x+%2B+4sin+x+%2B+3+%3D+0
i dont think its possible..

i think..tthere is mistake in question..))))

I think it should be \(sin^2x + 4sinx +3 =0\)

then \(u=sinx\) more reasonable

then it is a quad eq

we can find sinx

this question can be solved ............why u guys are worrying????????

it cant be solved just endless ways of writing the equation

the equation toolbar in this thing sucks hairy ______. how do you write it so neatly like that?

oh damn
my solution is way off
\[\sin^2(\arcsin 3) + 4\sin (\arcsin 3) + 3 = 24≠0\]

oh
\(u^2+4u+3=0\) NOT \(u^2-4u+3=0\)

but this wasnt the problem that was stated lol

\[u_{1,2}=-2\pm1=-3,-1\]

ta-da

People who post questions need to learn how to use the equation editors to avoid such confusion.

That's because he was reincarnated Einstein

hahaha... I think he was already born when Einstein was still alive

Well, Einstein's lost twin

this question has like 40 responses all because of a typing error

We're still assuming that it is a typing error

it is

There's no such thing as typing errors. Only human errors.

can't we all be einsteins lost twin?

I know that I can't... I have a roach's brain compare to his

same difference hero lol

twins dont necessarily have the same charistics

oh that's right... I'd be the opposite of his intellect then

*
characteristic

oh my.

where's David Hume?

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