Question

ArcsinV2/2+arccos(-1/2)+arctgV3

Answer 1

$arccos (-1/2)= 2 \pi /3$
$arcsin \sqrt{2} /2 = \pi /4$
$arctg \sqrt{3} = \pi 3$
2pi/3+pi/3= pi + pi/4 = 5 pi/4.
Ответ: 5 pi/4