arccosx+arcsinx=π/2为什么cos(arcsin(1-x))不等于1-x而等于根号下1-(1-x)^2
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arccosx+arcsinx=π/2为什么cos(arcsin(1-x))不等于1-x而等于根号下1-(1-x)^2
arccosx+arcsinx=π/2
为什么cos(arcsin(1-x))不等于1-x而等于根号下1-(1-x)^2
arccosx+arcsinx=π/2为什么cos(arcsin(1-x))不等于1-x而等于根号下1-(1-x)^2