Tanza Kosta
Гений
(74897)
3 года назад
√2 sin(pi/4 - x/2) + sin(x/2) = √3/2
√2(sin(pi/4)cos(x/2) - cos(pi/4)sin(x/2)) + sin(x/2) = √3/2
√2(√2/2cos(x/2) - √2/2sin(x/2)) +sin(x/2)= √3/2
cos(x/2) - sin(x/2) + sin(x/2) = √3/2
cos(x/2) = √3/2
x/2 = ± pi/6 + 2pin, n€Z
X = ± pi/3 + 4pin, n€Z
б) - pi/3, pi/3
Либо просто: ± pi/3