题目内容:
下列哪个选项是正确计算42°(角度)的余弦值?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.toDcgrees(42));
参考答案:
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.toDcgrees(42));