What would happen to a sine or cosine graph if the amplitude was negative?

[trail socket]

would it reflect and off what?

[fickle hinge]

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[crimson halo]

By definition amplitude is positive, but I’m curious to see what you think a wave with negative amplitude would look like

[trail socket]

I think it reflects off the midline cause that’s what happened when I put on Desmos

[sonic lion]

yeah, that's still a positive amplitude

you just reflected it along the x axis, that's nothing special about trig

it's just a function transformatuon

[trail socket]

If the amplitude should be positive and I wanted to reflect how would I do that without making it negative?

[crisp sandal]

The amplitude is half the difference between the maximum and minimum values of the wave. So, by definition it can't be negative.

[trail socket]

oh so what if you have to graph something like -cos(x) or -sin(x) could that happen?

[crisp sandal]

The amplitude is still 1, as the maximum is still 1 and the minimum is still -1.

[trail socket]

would it be reflected across the midline?

like with normal graphs like y = x^2 and you put a negative and then it flips?

[crisp sandal]

Yes.

[trail socket]

Oh ok thanks

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