Question

2sinx-1=0 решите пожалуйста....

Answer 1

2sinx = 1
sinx = 1/2;
x = (-1)^k arcsin (1/2) + pik
x = (-1)^k pi/6 + pik , k ∈ Z

либо
x = arcsin(1/2) + 2pik
x = pi - arcsin(1/2) + 2pik

x = pi/6 + 2pik
x = pi - pi/6 + 2pik

x = pi/6 + 2pik, k ∈Z
x = 5pi/6 + 2pik, k ∈Z