Project ForgeEngineering Mathematics
Calculus
GATE 2016
Easy
Laplace transform of cos(ωt) is
- s / (s² + ω²)
- Bω / (s² + ω²)
- Cs / (s² - ω²)
- Dω / (s² - ω²)
Explanation
By the standard Laplace transform table, L{cos(ωt)} = s/(s²+ω²) (compare L{sin(ωt)} = ω/(s²+ω²)).
Source: GATE ME 2016 Set-2 (2016)
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