Whichmethodisanappropriatewaytodeterminethecosineof42degrees?()A.Doubled=Math.cos(42);B.Doubled=Math.cosine(42);C.Doubled=Math.cos(Math.toRadians(42));D.Doubled=Math.cos(Math.toDegrees(42));E.Doubled=Math.cosine(Math.toRadians(42));

题目
Whichmethodisanappropriatewaytodeterminethecosineof42degrees?()

A.Doubled=Math.cos(42);

B.Doubled=Math.cosine(42);

C.Doubled=Math.cos(Math.toRadians(42));

D.Doubled=Math.cos(Math.toDegrees(42));

E.Doubled=Math.cosine(Math.toRadians(42));


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参考答案和解析
参考答案:C