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cos(pi theta)=-0.6

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please someone im very frusterated!

http://answers.yahoo.com/question/index?qid=20090325212335AAJzidz

Im certain, no one is sure what your asking.

will someone please help me!

it has equal =-0.6

your violating the COC boy. here. . .

where did you get this?

@geishaology i dont understand this!

I did it. I basically explained the equation in full detail lml.

whats n_1

(n1)

what is that

look, I will need a medal first, then I will explain more since you dont get it yet.

there you go

Kay, what exactly dont you understand?

what all the n_1 are?

Its n(sub 1)

meaning, the (1) is on the side, below the (n). like the opposite of a squared or cubed.

and it always equals (0).