Question

sin102xcos101x-cos102xsin101x=-1/2

Answer 1

sin(102x - 101x) = -1/2
sin(x) = -1/2
x = (-1)^k * arcsin(-1/2) + Pi * k
x = (-1)^k * (PI / 6) + Pi * k
k ∈ Z

Answer 2

x = (-1)^(k + 1) * (PI / 6) + Pi * k)))прошу прощения