tan60°分之sin60°-sin30°
问题描述:
tan60°分之sin60°-sin30°
答
tan60°分之sin60°-sin30°
=√3分之(√3/2)-1/2
=1/2-1/2
=0计算器结果不一样啊我没算错哦这是特殊角,不需要计算器计算的