函数y=cosex的导数是()A.-exsinexB.cosexC.-exD.sinex
<p>问题:函数y=cosex的导数是()A.-exsinexB.cosexC.-exD.sinex<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">林钧清的回答:<div class="content-b">网友采纳 函数的导数为f′(x)=-sinex•(ex)′=-exsinex, 故选:A
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