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单项选择题 Which method is an appropriate way to determine the cosine of 42 degrees?()  

A、 Double d = Math.cos(42);

B、 Double d = Math.cosine(42);

C、 Double d = Math.cos(Math.toRadians(42));

D、 Double d = Math.cos(Math.toDegrees(42));

E、 Double d = Math.cosine(Math.toRadians(42));

  • C
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