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Popular Calculus >

laplacetransform cos(3t)

Solution

laplace transform

cos (3 t)

Solution

\frac{s}{s ^{2} + 9}

Solution steps

L {cos (3 t)}

Use Laplace Transform table:

L {cos (a t)} = \frac{s}{s ^{2} + a ^{2}}

L {cos (3 t)} = \frac{s}{s ^{2} + 3 ^{2}}

= \frac{s}{s ^{2} + 3 ^{2}}

= \frac{s}{s ^{2} + 9}

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Frequently Asked Questions (FAQ)

What is laplacetransform cos(3t) ?
The answer to laplacetransform cos(3t) is s/(s^2+9)