问题描述：
SAT2 主要是题干不懂
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42.Which of the following expresses the polar point (3,) in rectangular coordinates?
(A) (–1.7,–3.14)
(B) (–0.87,0.5)
(C) (1.5,3.14)
(D) (–2.6,1.5)
(E) (0.78,2.3)
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42.Which of the following expresses the polar point (3,) in rectangular coordinates?
(A) (–1.7,–3.14)
(B) (–0.87,0.5)
(C) (1.5,3.14)
(D) (–2.6,1.5)
(E) (0.78,2.3)
问题解答：
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