【r(t)=sin(t+30#39;)的拉普拉斯求,我直接用公式好像很繁杂,】
<p>问题：【r(t)=sin(t+30#39;)的拉普拉斯求,我直接用公式好像很繁杂,】<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">黄平牧的回答：<div class="content-b">网友采纳 L(sin(wt))=w/(s^2+w^2),so:L(sin(t))=1/(s^2+1)L(f(t-T))=e^(-T*s)*F(s),so:L(sin(t+30))=e^(30*s)/(s^2+1)Hopeithelps!Ifyoustillhavequestions,pleasefeelfreetocontactme!
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