>
数学
>
函数y=
cos(2x−
π
3
)
的导数为______.
人气:188 ℃ 时间:2020-02-03 02:11:01
解答
y′=
[cos(2x−
π
3
)]′
2
cos(2x−
π
3
)
=
−2sin(2x−
π
3
)
2
cos(2x−
π
3
)
=-
sin(2x−
π
3
)
cos(2x−
π
3
)
,
故答案为:y′=-
sin(2x−
π
3
)
cos(2x−
π
3
)
.
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