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### 701 Visitor Messages

1. so if the complex number is i, in this case
x=0
y=1
and the result is z=1
2. Oh I see, and because of this squaring inaccuracy the answers must be checked to see if they work. I recall reading that absolute value can be calculated as ((X)^2)^1/2), although would that make |i| = i
3. oh and have you seen this thread

It's a pretty clever way to add multiple languages to a game by having the community fill in all the text in their own language.
4. oh I see what you mean, doesn't that prove that

x(x-1)=(x+x^1/2)(x-x^1/2)
5. i got x + x^2 = 2x by multiplying both sides by x

x(sqrt(x) + x) = x(2)

ohh wait thats where I went wrong since sqrt(x) * (x) =/= x

isn't x(x-1) the same as x^2-x?
6. that would be
x + x^2 = 2x

x^2-x=0

(x+x^1/2)(x-x^1/2)=0

or am I doing something weird
7. So if it were valid for sin(x) = 0 then the result would need to include that it works for all cases where x=/=0
8. Thanks! That was only one remaining that I had trouble with as many of them are just the same technique .
9. yes I was trying to convert it all into parenthesis but I messed up there , i'm trying to verify the identity
10. Oh thanks I have a quiz we were allowed to take home because no one finished in class

also I can't figure out where I went wrong here

((1+cos(x))/sin(x)) + ((sin(x))/1+cos(x)) = 2csc(x)

(1+cos(x))^2+sin^2(x) = 2 + 2cos(x)

1+cos(x) + cos^2(x) + 1 +sin^2(x) = 2+2 cos(x)

clean it up a bit

cos(x) + cos^2(x)+sin^2(x) = 2 cos(x)

sin^2(x) + cos(x)(cos(x)+1) = 2cos(x)

from here I can't find any identity that seems to fix it o.O
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