da Luca » 28/07/2014, 19:05
Perchè nel grafico di $y=sin(x+π/4)$ il vettore traslazione vale (sulle x) $-π/4$ e non col +, come invece qui $y=cosx+2$, dove la y aumenta di 2?
"The darkest places in hell are reserved for those who maintain their neutrality in times of moral crisis."
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Outside, in the newly fallen darkness, the world had been trasformed.
The sky had become a glistening tapestry of stars.