函数f(x)=tan(x+π4)的单调增区间为_.
函数
f(x)=tan(x+)的单调增区间为______.
数学人气:363 ℃时间:2019-10-10 01:15:05
优质解答
∵tanx的单调增区间为(2kπ-
,2kπ+
)
∴函数
f(x)=tan(x+)的单调增区间为2kπ-
<x+
<2kπ+
,即kπ
−<x<kπ
+(k∈Z)
故答案为(kπ
−,kπ
+)
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