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[] Which variables (x, t, A, k, w) are independent?

Would k be the only independent variable since it is a constant?

However I am not too sure what exactly does the k represents.

Can someone please clear that up for me?

[] Which of the following are parameters that determine the characteristics of the wave? x only, t only, A only, k only, w only, x and t, w and t, A and k and w.

Would A and k and w determine th characteristics of the wave?

I know that A is the amplitude of the wave and w is the angular frequency

of the wave so those 2 has to be characteristics of the wave.

[] What is the phase of the wave?

That would be (kx-wt) right?

[] What is the wavelength of the wave?

Would that be 2pi/k?

[] What is the period of this wave?

Would that be 2pi/w?

[] How do I find the speed of propagation v of this wave?

Thank you for your help.