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Direct linkBarsan, V.; Cojocaru, S. – European Journal of Physics, 2007
Applications of a simple approximation of Bessel functions of integer order, in terms of trigonometric functions, are discussed for several examples from electromagnetism and optics. The method may be applied in the intermediate regime, bridging the "small values regime" and the "asymptotic" one, and covering, in this way, an area of great…
Descriptors: Undergraduate Study, Numbers, Optics, Trigonometry
