ℒ[sint]=1/S2+1을 이용하여 ①ℒ[sin at] 및 ②ℒ[cos ωt ]를 구하면?
a/S+a, ② S/S+ω
① 1/S2-a2, ② 1/S2-ω2
① a/S2+a2, ② S/S2+ω2
① 1/S+a, ② 1/S-ω
ℒ[sint]=1/S2+1을 이용하여 ①ℒ[sin at] 및 ②ℒ[cos ωt ]를 구하면?
A. a/S+a, ② S/S+ω
B. ① 1/S2-a2, ② 1/S2-ω2
C. ① a/S2+a2, ② S/S2+ω2
D. ① 1/S+a, ② 1/S-ω