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arcsin怎么转化为sin
更新时间: 2020-10-31 00:00:00  

arcsinx是反三角函数,可以理解为[-π/2,π/2]上的一个角或弧,也可以理解为区间[-π/2,π/2]上的一个实数;arcsin(sinx)=x。

反正弦函数(反三角函数之一)为正弦函数y=sinx(x∈[-½π,½π])的反函数,记作y=arcsinx或siny=x(x∈[-1,1])。由原函数的图像和它的反函数的图像关于一三象限角平分线对称可知正弦函数的图像和反正弦函数的图像也关于一三象限角平分线对称。

关键词: arcsin 怎么 化为 sin

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