Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of sum and difference of two and three angles
EasyIf $A + C = B$,then $\tan A \tan B \tan C = $
- A$\tan A \tan B + \tan C$
- B$\tan B - \tan C - \tan A$
- C$\tan A + \tan C - \tan B$
- D$ - (\tan A \tan B + \tan C)$
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Easy
View SolutionThe value of $\cos 15^{\circ} - \sin 15^{\circ}$ is
MediumWBJEE 2011
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