यदि $A$ और $B$ न्यून कोण हैं जो $3 \cos ^2 A + 2 \cos ^2 B = 4$ और $\frac{3 \sin A}{\sin B} = \frac{2 \cos B}{\cos A}$ को संतुष्ट करते हैं,तो $A + 2B =$ ($^{\circ}$ में)

  • A
    $30$
  • B
    $45$
  • C
    $60$
  • D
    $90$

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