# An Integral Question

by ber70
Tags: integral
 P: 47 $$\frac{1}{\pi}\int^{\pi}_{0}cos(n\theta - xsin\theta)d\theta$$ How can I solve this equation and find Laplace transform?
 Sci Advisor HW Helper PF Gold P: 2,606 Use the trig identity for sums of angles. The resulting integrals can probably be related to Bessel functions.

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