Use the accompanying tables of Laplace transforms and properties of Laplace transforms to find the Laplace transform of the function below. Note that an appropriate trigonometric identity may be necessary. sin 7t sin 3t L{sin 7t sin 3t} =
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So, $$\sin{7t}\sin{3t} = \frac{1}{2}(\cos{(7t-3t)} - \cos{(7t+3t)}) = \frac{1}{2}(\cos{4t} - \cos{10t})$$ Show more…
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