모두CBT
f(t)=sintㆍcost 를 라플라스 변환하면?
1s2+12\dfrac{1}{s^2+1^2}s2+121
1s2+22\dfrac{1}{s^2+2^2}s2+221
1(s+2)2\dfrac{1}{(s+2)^2}(s+2)21
1(s+42)\dfrac{1}{(s+4^2)}(s+42)1