优优班--学霸训练营 > 知识点挑题
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            • 1. 设点\(M\)的柱坐标为\(\left( \sqrt{2}, \dfrac{5π}{4}, \sqrt{2}\right) \),则它的球坐标为\((\)  \()\)
              A.\(\left(2, \dfrac{π}{4}, \dfrac{π}{4}\right) \)
              B.\(\left(2, \dfrac{π}{4}, \dfrac{5π}{4}\right) \)
              C.\(\left(2, \dfrac{5π}{4}, \dfrac{π}{4}\right) \)
              D.\(\left(2, \dfrac{3π}{4}, \dfrac{π}{4}\right) \)
            • 2.

              已知点\(M\)的直角坐标为\((-1,- \sqrt{3} ,3)\),则它的柱坐标是(    )

              A.\((2, \dfrac{π}{3} ,3)\)
              B.\((2, \dfrac{2π}{3} ,3)\)     
              C.\((2, \dfrac{4π}{3} ,3)\)
              D.\((2, \dfrac{5π}{3} ,3)\)
            • 3.
              点\(M\)的直角坐标为\((-1,-1, \sqrt {2})\),则它的球坐标为\((\)  \()\)
              A.\((2, \dfrac {π}{4}, \dfrac {π}{4})\)
              B.\((2, \dfrac {π}{4}, \dfrac {5π}{4})\)
              C.\((2, \dfrac {5π}{4}, \dfrac {π}{4})\)
              D.\((2, \dfrac {3π}{4}, \dfrac {π}{4})\)
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