>
数学
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若sin(
π
6
+α)=
3
5
,则cos(α-
π
3
)=___.
人气:483 ℃ 时间:2019-11-09 20:59:52
解答
sin(
π
6
+α)=cos[
π
2
-(
π
6
+α)]=cos(α-
π
3
)=
3
5
,则cos(α-
π
3
)=
3
5
.
故答案为:
3
5
.
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