Proceeding as in Example 1, obtain (a) L(t cos t) = S 2 - 2 /(s
Question:
Proceeding as in Example 1, obtain
(a) L(t cos ωt) = S2 - ω2/(s2 + ω2)2
and from this and Example 1
(b) formula 21
(c) 22
(d) 23 in Sec. 6.9
(e) L(t cosh αt) = S2 + α2/(s2 - α2)2
(f) L(t sinh αt) = 2αs/(s2 - α2)2
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