यदि $x + y = \frac{\pi}{4}$ है, तो $(1 + \tan x)(1 + \tan y) =$ का मान क्या होगा?

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $0$

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Similar Questions

यदि $\cos(\alpha + \beta) = \frac{4}{5}$ और $\sin(\alpha - \beta) = \frac{5}{13}$,जहाँ $0 \le \alpha, \beta \le \frac{\pi}{4}$ है,तो $\tan 2\alpha = $

$\sin \left(\frac{5 \pi}{24}\right) \cdot \cos \left(\frac{\pi}{24}\right)$ का मान है

यदि $\sin A = n \sin B$ है,तो $\frac{n - 1}{n + 1} \tan \frac{A + B}{2} = $

$\cos ^{2} 45^{\circ}-\sin ^{2} 15^{\circ}$ का मान क्या है?

यदि $m \tan (\theta - 30^\circ) = n \tan (\theta + 120^\circ)$ है,तो $\frac{m + n}{m - n} = $

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