题目内容
(请给出正确答案)
[主观题]
d(sin2x)=A.2cos2xdxB.cos2xdxC.-2cos2xdxD.-cos2xdx
d(sin2x)=
A.2cos2xdx
B.cos2xdx
C.-2cos2xdx
D.-cos2xdx
答案
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d(sin2x)=
A.2cos2xdx
B.cos2xdx
C.-2cos2xdx
D.-cos2xdx