单选题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））；
单选题
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））；
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