sin(-510°)等于______.-数学

题目简介

sin(-510°)等于______.-数学

题目详情

sin(-510°)等于______.
题型:填空题难度:中档来源:不详

答案

sin(-510°)=sin(-510°+360°)=sin(-150°)=-sin150°=-class="stub"1
2

故答案为-class="stub"1
2

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