# General question about wave equation

1. Homework Statement
How do you find the phase angle of a wave equation given in the form

y(x,t) = Acos(kx - wt)

thanks

2. Homework Equations

3. The Attempt at a Solution

## Answers and Replies

Related Introductory Physics Homework Help News on Phys.org
The general equation for a wave is

$$y(x,t) = Acos(kx - \omega t +\phi)$$

I'm assuming $$\phi$$ is what you want.