Question

arccos(-√2/2)+arcsin 0=

Answer 1

=3*pi/4+0=3*pi/4. Удачи :-)

Answer 2

$arccos(- \frac{ \sqrt{2} }{2} )+arcsin0=( \pi - \frac{ \pi }{4} )+0= \frac{4 \pi - \pi }{4} = \frac{3 \pi }{4}$