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tan(30°)*sin(30°)/tan(45°)*tan(60°),
题目详情
tan(30°)*sin(30°)/tan(45°)*tan(60°),
▼优质解答
答案和解析
tan(30°)*sin(30°)/tan(45°)*tan(60°),
=(1/√3)*(1/2)/(1*√3)
=(1/√3)*(1/2)*(1/√3)
=(1/3)*(1/2)
=1/6
=(1/√3)*(1/2)/(1*√3)
=(1/√3)*(1/2)*(1/√3)
=(1/3)*(1/2)
=1/6
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