函数y=tan(x+π/3)的定义域是
设0<α<3π/2,sinα=-3分之根号3,则α值
人气:276 ℃ 时间:2020-04-13 17:52:18
解答
函数y=tan(x+π/3)的定义域
x+π/3≠kπ+π/2k∈Z
x=kπ+π/6
0<α<3π/2
sinα=-3分之根号3
α是第三象限角
α=3π/2-arcsin3分之根号3
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