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歡迎您訪問數學考題練習:按科學記算器MODEMODE1,使顯示器顯示D!

數學考題練習:按科學記算器MODEMODE1,使顯示器顯示D

更新時間:2024-01-12 16:47:27作者:貝語網校

按科學記算器MODE MODE 1,使顯示器顯示D后,求sin9°的值,以下按鍵順序正確的是

A.sin9=

B.9sin=

C.sin90°=

D.9sin0°=

試題答案

A

試題解析

本題要求熟練應用計算器.

解答:按科學記算器MODE MODE 1,使顯示器顯示D后,即進入角度制單位,只需鍵入sin 9=即可.

故選A.

點評:本題要求同學們能熟練應用計算器,熟悉計算器的各個按鍵的功能.

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