# Half- and quarter-range sine and cosine

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6. In each case solve (1) with boundary conditions (1b) changed as indicated, and for the specified f(x). Use a half- or quarter-range cosine or sine expansion, as appropriate...

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#### Solution Summary

This shows how to solve equations with given boundary conditions using half- and quarter-range sine and cosine expansion, evaluate expansion coefficients, and identify the stead-state solution.

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