Question

Y= sin (x - пи/2 ) -1

Answer 1

Надеюсь, ты помнишь масштаб того графика, который я тебе строила. Итак, строим сначала синусоиду. Затем двигаем ее вправо на клетку с половиной (развели три клетки пополам). А потом опускаем на 1 вниз. 

Answer 2

The equation Y = sin(x - π/2) - 1 represents a sinusoidal function. The general form of a sinusoidal function is:

Y = A * sin(Bx + C) + D

In your equation:

A = 1 (the coefficient in front of sin) B = 1 (the coefficient in front of x) C = -π/2 (the constant inside the sin function) D = -1 (the constant subtracted from the sin function)

So, your equation can be written in the general form as:

Y = sin(x - π/2) - 1

This means that the function is a sine wave with an amplitude of 1, a phase shift of π/2 to the right, and a vertical shift of -1 units.