tan20度等于多少谢谢这位老师了.
<p>问题:tan20度等于多少谢谢这位老师了.<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">沙磊的回答:<div class="content-b">网友采纳 tan(10度)=0.176326981 tan(15度)=0.267949192 tan(20度)=0.363970234 tan(30度)=0.577350269 tan(60度)=1.73205081
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