Question

Помогите, пожалуйста, с алгеброй

Answer 1

y = -3sin(x-π/6) + 5 = -3sin(4π/3 - π/6) + 5 = -3sin(7π/6) + 5 = -3*(-1/2) + 5 = 1,5 + 5 = 6.5