Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of sum and difference of two and three angles
Mediumयदि $\tan \alpha = (1 + 2^{-x})^{-1}$ और $\tan \beta = (1 + 2^{x+1})^{-1}$ है,तो $\alpha + \beta$ का मान क्या होगा?
- A$\pi /6$
- B$\pi /4$
- C$\pi /3$
- D$\pi /2$
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