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

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