Copied Integrate \[ \int _{-\infty }^{\infty }\frac {\sin \alpha x}{\sinh \pi x}\,dx. \] Raw LaTeX Integrate \[ \int_{-\infty}^{\infty}\frac{\sin\alpha x}{\sinh\pi x}\,dx. \] Topic Tags Fourier Transform and Sampling Theory Linear Programming and Optimization Real Integral Evaluation by Complex Methods