Class 11MathematicsTrigonometric FunctionsMaximum and minimum values of trigonometrical functions, Conditional trigonometrical identities
EasyIf $A + B + C = 180^\circ$,then $\frac{\tan A + \tan B + \tan C}{\tan A \cdot \tan B \cdot \tan C} = $
- A$0$
- B$2$
- C$1$
- D$-1$
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