Copied Compute the following integral using methods of complex analysis. \[ \int _{-\infty }^{\infty }\frac {\cos x}{x^2+1}\,dx \] Raw LaTeX Compute the following integral using methods of complex analysis. \[ \int_{-\infty}^{\infty}\frac{\cos x}{x^2+1}\,dx \] Topic Tags Cauchy Integral Theory and Morera's Theorem Complex Integration and Real Integral Evaluation