已知α∈(0,π/2)试比较α,sinα,tanα的大小
1个回答
你举一个角度30°作为例子不就好了吗.30°=3.14/6=0.52;sin30°=0.5;tan30°=1.732/3=0.54
所以啊tanα>α>sinα咯
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