MHB Solve for A_n: Fourier Coefficient $$u_y(x,\pi) = 0$$

[Dustinsfl]

$$
u_y(x,\pi) = \frac{x}{\pi} + \sum_{n = 1}^{\infty}nB_n\sin xn\cosh\pi n = 0.
$$
How can I solve for $A_n$ here?

 

[Sudharaka]

$$
u_y(x,\pi) = \frac{x}{\pi} + \sum_{n = 1}^{\infty}nB_n\sin xn\cosh\pi n = 0.
$$
How can I solve for $A_n$ here?

Hi dwsmith, :)

You you mean \(B_n\) ? There is no \(A_n\) in the equation.

Kind Regards,
Sudharaka.