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230问答网 > sin30°、cos30°、tan30°的大小关系是

sin30°、cos30°、tan30°的大小关系是

2025-04-02 02:40:22

推荐回答（4个）

回答1：

sin30°=1/2
cos30°=(根号3)/2≈0.866
tan30°=sin30°/cos30°=0.5774
则 cos30°>tan30°>sin30°

回答2：

sin30°=1/2
cos30°=√3/2
tan30°=√3/3
所以cos30°>tan30°>sin30°

回答3：

cos30°>tan30°>sin30°

回答4：

sin30°

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