If in a DeltaABC, tan A+tan B+tan C> 0, ...

If in a `DeltaABC, tan A+tan B+tan C> 0`, then
(A) `Delta` is always obtuse angled triangle
(B) `Delta` is always equilateral triangle
(C) `Delta` is always acute angled triangle
(D )nothing can be said about the type of triangle

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If in a `DeltaABC, tan A+tan B+tan C> 0`, then (A) `Delta` is always obtuse angled triangle (B) `Delta` is always equilateral triangle (C) `Delta` is always acute angled triangle (D )nothing can be said about the type of triangle

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If in a `DeltaABC, tan A+tan B+tan C> 0`, then
(A) `Delta` is always obtuse angled triangle
(B) `Delta` is always equilateral triangle
(C) `Delta` is always acute angled triangle
(D )nothing can be said about the type of triangle