一些高一数学 任意角和弧度制1.终边与坐标重合的角α的集合是( )A.{α丨α=k乘上360°,k∈Z}B.{α丨α=k乘上180°,k∈Z}C.{α丨α=k乘上90°,k∈Z}D.{α丨α=k乘上180°+90°,k∈Z}2.把下列角度化成弧度.①32°30
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![一些高一数学 任意角和弧度制1.终边与坐标重合的角α的集合是( )A.{α丨α=k乘上360°,k∈Z}B.{α丨α=k乘上180°,k∈Z}C.{α丨α=k乘上90°,k∈Z}D.{α丨α=k乘上180°+90°,k∈Z}2.把下列角度化成弧度.①32°30](/uploads/image/z/5395534-70-4.jpg?t=%E4%B8%80%E4%BA%9B%E9%AB%98%E4%B8%80%E6%95%B0%E5%AD%A6++%E4%BB%BB%E6%84%8F%E8%A7%92%E5%92%8C%E5%BC%A7%E5%BA%A6%E5%88%B61.%E7%BB%88%E8%BE%B9%E4%B8%8E%E5%9D%90%E6%A0%87%E9%87%8D%E5%90%88%E7%9A%84%E8%A7%92%CE%B1%E7%9A%84%E9%9B%86%E5%90%88%E6%98%AF%28+%29A.%7B%CE%B1%E4%B8%A8%CE%B1%3Dk%E4%B9%98%E4%B8%8A360%C2%B0%2Ck%E2%88%88Z%7DB.%7B%CE%B1%E4%B8%A8%CE%B1%3Dk%E4%B9%98%E4%B8%8A180%C2%B0%2Ck%E2%88%88Z%7DC.%7B%CE%B1%E4%B8%A8%CE%B1%3Dk%E4%B9%98%E4%B8%8A90%C2%B0%2Ck%E2%88%88Z%7DD.%7B%CE%B1%E4%B8%A8%CE%B1%3Dk%E4%B9%98%E4%B8%8A180%C2%B0%2B90%C2%B0%2Ck%E2%88%88Z%7D2.%E6%8A%8A%E4%B8%8B%E5%88%97%E8%A7%92%E5%BA%A6%E5%8C%96%E6%88%90%E5%BC%A7%E5%BA%A6.%E2%91%A032%C2%B030)
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