Respuesta :

amna04352

Answer:

y = -cos(2x)

Step-by-step explanation:

Mean/mid line: y = 0

It's a negative cos, with period pi.

So, y = -cos(2x)

itsme133

♦Figure-1 shows y = sin x and Figure-2 shows y = sin x + 1. The second curve is the first curve shifted vertically up by one unit.

The midline of y = sin x is the x-axis and the midline of y = sin x + 1 is the line y = 1.♦

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