把-1480°写成2kπ+2（k∈z，a∈[0,2π]的形式 谢谢哦~~很急！！

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-1480°=5*360+320°
320°=16π/9
则-1480°可孝碧键写为巧巧2kπ+16π/9（k∈z）慧橘

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