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歡迎您訪問數學考題練習:sin30°=________,cos30°=!

數學考題練習:sin30°=________,cos30°=

更新時間:2024-01-12 14:02:37作者:貝語網校

sin30°=________,cos30°=________,tan30°=________.

試題答案

        

試題解析

根據特殊角的三角函數值進行逐一解答即可.

解答:sin30°=,

cos30°=,

tan30°=.

故答案分別為:;;.

點評:本題比較簡單,熟記特殊角的三角函數值是解答此題的關鍵.

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