问题标题：
【下面表述不正确的是（）A.终边在x轴上角的集合是{α|α=kπ，k∈Z}B.终边在y轴上角的集合是{α|α=+kπ，k∈Z}C.终边在坐标轴上的角的集合是{α|α=k•，k∈Z}D.终边在直线y=-x上角的集合是{】
问题描述：
下面表述不正确的是（）
A.终边在x轴上角的集合是{α|α=kπ，k∈Z}
B.终边在y轴上角的集合是{α|α=+kπ，k∈Z}
C.终边在坐标轴上的角的集合是{α|α=k•，k∈Z}
D.终边在直线y=-x上角的集合是 {α|α=+2kπ，k∈Z}
戴超凡回答：
{"title":"u5bf9u4e8eAuff0cu7ec8u8fb9u5728xu8f74u4e0au89d2u7684u96c6u5408u662f{u03b1|u03b1=ku03c0uff0cku2208Z}uff0cu6545Au6b63u786euff1b
u5bf9u4e8eBuff0cu7ec8u8fb9u5728yu8f74u4e0au7684u89d2u7684u96c6u5408u662f{u03b1|u03b1=+ku03c0uff0cku2208Z}uff0cu6545Bu6b63u786euff1b
u5bf9u4e8eCuff0cu7ec8u8fb9u5728xu8f74u4e0au7684u89d2u7684u96c6u5408u4e3a{u03b1|u03b1=ku03c0uff0cku2208Z}uff0cu7ec8u8fb9u5728yu8f74u4e0au7684u89d2u7684u96c6u5408u4e3a{u03b1|u03b1=+ku03c0uff0cku2208Z}uff0c
u6545u5408u5728u4e00u8d77u5373u4e3a{u03b1|u03b1=ku03c0uff0cku2208Z}u222a{u03b1|u03b1=+ku03c0uff0cku2208Z}={u03b1|u03b1=uff0cku2208Z}uff0cu6545Cu6b63u786euff1b
u5bf9u4e8eDuff0cu7ec8u8fb9u5728u76f4u7ebfy=-xu4e0au7684u89d2u7684u96c6u5408u662f{u03b1|u03b1=+ku03c0uff0cku2208Z}uff0cu6545Du6b63u786euff0e
u2234u8868u8ff0u4e0du6b63u786eu7684u662fuff1aDuff0e
u6545u9009uff1aDuff0e""latex":"u5bf9u4e8eAuff0cu7ec8u8fb9u5728xu8f74u4e0au89d2u7684u96c6u5408u662f{u03b1|u03b1=ku03c0uff0cku2208Z}uff0cu6545Au6b63u786euff1b
u5bf9u4e8eBuff0cu7ec8u8fb9u5728yu8f74u4e0au7684u89d2u7684u96c6u5408u662f{u03b1|u03b1=$dfrac{pi}{2}$+ku03c0uff0cku2208Z}uff0cu6545Bu6b63u786euff1b
u5bf9u4e8eCuff0cu7ec8u8fb9u5728xu8f74u4e0au7684u89d2u7684u96c6u5408u4e3a{u03b1|u03b1=ku03c0uff0cku2208Z}uff0cu7ec8u8fb9u5728yu8f74u4e0au7684u89d2u7684u96c6u5408u4e3a{u03b1|u03b1=$dfrac{pi}{2}$+ku03c0uff0cku2208Z}uff0c
u6545u5408u5728u4e00u8d77u5373u4e3a{u03b1|u03b1=ku03c0uff0cku2208Z}u222a{u03b1|u03b1=$dfrac{pi}{2}$+ku03c0uff0cku2208Z}={u03b1|u03b1=$dfrac{kpi}{2}$uff0cku2208Z}uff0cu6545Cu6b63u786euff1b
u5bf9u4e8eDuff0cu7ec8u8fb9u5728u76f4u7ebfy=-xu4e0au7684u89d2u7684u96c6u5408u662f{u03b1|u03b1=$dfrac{3pi}{4}$+ku03c0uff0cku2208Z}uff0cu6545Du6b63u786euff0e
u2234u8868u8ff0u4e0du6b63u786eu7684u662fuff1aDuff0e
u6545u9009uff1aDuff0e"}
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