Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of sum and difference of two and three angles
DifficultIf $x + y = \frac{\pi}{4}$, then $(1 + \tan x)(1 + \tan y) =$
- A$1$
- B$2$
- C$3$
- D$0$
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Similar Questions
If $A=35^{\circ}, B=15^{\circ}$ and $C=40^{\circ}$,then $\tan A \cdot \tan B+\tan B \cdot \tan C+\tan C \cdot \tan A$ is equal to
If $\tan 80^{\circ} = \alpha$ and $\tan 47^{\circ} = \beta$,then $\tan 37^{\circ}$ is equal to -
The value of $\tan \frac{2\pi}{5} - \tan \frac{\pi}{15} - \sqrt{3} \tan \frac{2\pi}{5} \tan \frac{\pi}{15}$ is equal to
Easy
View SolutionIf $\tan A + \tan B = x$ and $\cot A + \cot B = y$,then $\tan (A + B) =$
The value of $\frac{3 + \cot 76^{\circ} \cot 16^{\circ}}{\cot 76^{\circ} + \cot 16^{\circ}}$ is:
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