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If ytan(θ− π/6)=xtan(θ+ 2π/3) , then ...

If `ytan(θ− π/6)=xtan(θ+ 2π/3)` , then `(y+x)/(y-x) =`

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  2. If both roots are less than 3 then 'a' belongs to

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  3. If ytan(θ− π/6)=xtan(θ+ 2π/3) , then (y+x)/(y-x) =

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  4. For x∈(0,π) , the equation sinx+2sin2x−sin3x=3 , has

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