Amelita

Was bedeutet sin (2pi / 3)? Antworten: `color(green)(sqrt3 / 2)` Erläuterung: `sin ((2pi) / 3) = sin (pi – ((2pi)/3) )= sin ((3pi – 2pi) / 3) = sin (pi)/3` `sin ((pi)/3) = sin 60 = sqrt3 / 2`