જો $\text{cosec } A + \cot A = \frac{11}{2}$ હોય,તો $\tan A = $

  • A
    $\frac{21}{22}$
  • B
    $\frac{15}{16}$
  • C
    $\frac{44}{117}$
  • D
    $\frac{117}{43}$

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જો $\sin A + \sin 2A = x$ અને $\cos A + \cos 2A = y$ હોય,તો $({x^2} + {y^2})({x^2} + {y^2} - 3) = $

જો $\sin \theta + \sin^2 \theta = 1$ અને $\cos^{12} \theta + a \cos^{10} \theta + b \cos^8 \theta + c \cos^6 \theta + d = 0$ હોય,તો:

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