设tanθ=2,则tan(θ+π)=A.-2 B.2 C.1/2 D.-1

考试题库2022-08-02  18

问题 设tanθ=2,则tan(θ+π)=A.-2B.2C.1/2D.-1/2

选项 A.-2
B.2
C.1/2
D.-1/2

答案 B

解析
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