laplace transform of f(t)=cos5tcos3t?

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2006-06-17 18:39:38 · 4 answers · asked by Jonalyn V 1 in Science & Mathematics ➔ Engineering

cos5tcos3t
=1/2 [ cos{ (5+3)t } + cos { (5-3)t } ]
=1/2 [ cos8t + cos2t ]
taking laplase

=1/2 [ s/(s^2 + 64) + s/(s^2 + 4) ]

2006-06-18 01:34:01 · answer #1 · answered by Sean 3 · 0⤊ 0⤋

Why are you too lazy to answer your own homework question?

2006-06-18 09:42:45 · answer #2 · answered by rflatshoe 3 · 0⤊ 0⤋

search for the equivalent in the internet. and you can do it on your own. search for the table. f(t) -> F(s) table.

2006-06-18 01:44:24 · answer #3 · answered by enggkid 2 · 0⤊ 0⤋

do your own home work.

2006-06-18 01:42:04 · answer #4 · answered by Anonymous · 0⤊ 0⤋