tan(π/6-2)=根号3/2,求tan(5π/6+2)的值

tan(π/6-2)=根号3/2,求tan(5π/6+2)的值
tan(π/6-2)=根号3/2,求tan(5π/6+2)的值

tan(π/6-2)=根号3/2,求tan(5π/6+2)的值
tan(π/6-2)=√3/2
tan(-π/6+2)=-√3/2
tan(5π/6+2)
=tan(-π/6+2+π).π是tan的最小正周期
=tan(-π/6+2)
=-√3/2
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