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Thanks guys. I feel much at home now coz im with people love what i love, who think like me. Hope we shall go far together. Chao.
Can you prove me right or wrong when i say: cosAGC =(1-6h^2-2a^2)dvide by (a^2)
Hi bob? I did follow your work. The last part is like ok, but how u came to get GC, i didn't get it.
Hi Juan? You can form 120 four-digit different numbers. Do you now want the sum of this numbers?
Thanks bobbym. I really apreciate it. Where are you located?
Hi guys? Wanna my friend?
I need a simplified formular for this. If not so explain how i can do it.
What is the angle between two adjacent plans of a equilateral triangular pyramid of length 'a' and the perpendicular height of the pyramid is 'h'?
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