比较大小tan8与tan(-8π/3)

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比较大小tan8与tan(-8π/3)比较大小tan8与tan(-8π/3)比较大小tan8与tan(-8π/3)tan8与tan(-8π/3),tan(-8π/3)大tan(-8π/3)=tan(3

比较大小tan8与tan(-8π/3)
比较大小tan8与tan(-8π/3)

比较大小tan8与tan(-8π/3)
tan8与tan(-8π/3),tan(-8π/3)大
tan(-8π/3)=tan(3π+(-8π/3))=tan(π/3)
tan8=tan(8-2π)
8-2π约为1.72大于π/2,则tan(8-2π)为负
π/3约为1.05大于0小于π/2,则tan(π/3)为正
所以,tan(-8π/3)大