若tan(5π/3-α)=-5,则tan(π/3+α)的值是
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若tan(5π/3-α)=-5,则tan(π/3+α)的值是若tan(5π/3-α)=-5,则tan(π/3+α)的值是若tan(5π/3-α)=-5,则tan(π/3+α)的值是∵tan(5π/3-
若tan(5π/3-α)=-5,则tan(π/3+α)的值是
若tan(5π/3-α)=-5,则tan(π/3+α)的值是
若tan(5π/3-α)=-5,则tan(π/3+α)的值是
∵tan(5π/3-α)=-5
∴tan(2π-π/3-α)=-5
tan(-π/3-α)=-5
-tan(π/3+α)=-5
∴tan(π/3+α)= 5
若tan(α+β)=3/5,tan(β-(π)/4)=1/4,则tan(α+(π)/4)=?
tanα=2则tan(α-π/6)=5根号3-8,
已知tanα+tanβ=-5/3,tanα×tanβ=-7/3,求cos(α+β)
若tan(5π/3-α)=-5,则tan(π/3+α)的值是
tan(α+β)=3/5 tan(β-4/π)=1/4 则tan(α+4/π)等于多少
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若tan(α+π/4)=-3/5,求tan(α-π/4)的值
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若tanα=3,tanβ=4/3则tan(α+β)=?