यदि $\sin \theta = \frac{12}{13}$ जहाँ $0 < \theta < \frac{\pi}{2}$ और $\cos \phi = -\frac{3}{5}$ जहाँ $\pi < \phi < \frac{3\pi}{2}$ है,तो $\sin(\theta + \phi)$ का मान ज्ञात कीजिए।

  • A
    $\frac{-56}{61}$
  • B
    $\frac{-56}{65}$
  • C
    $\frac{1}{65}$
  • D
    $-56$

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