જો $x \cos \theta + y \sin \theta = 5$ અને $x \sin \theta - y \cos \theta = 3$ હોય,તો $x^{2} + y^{2}$ ની કિંમત શોધો.

  • A
    $17$
  • B
    $8$
  • C
    $12$
  • D
    $34$

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Similar Questions

જો $\tan \theta + \sin \theta = m$ અને $\tan \theta - \sin \theta = n$ હોય,તો

$0 < \theta < \frac{\pi}{2}$ માટે,$\sum_{m=1}^6 \operatorname{cosec}\left(\theta+\frac{(m-1) \pi}{4}\right) \operatorname{cosec}\left(\theta+\frac{m \pi}{4}\right) = 4 \sqrt{2}$ ના ઉકેલ(ઓ) છે:

જો $\sin \theta + \text{cosec} \theta = 2$ હોય,તો $\sin^2 \theta + \text{cosec}^2 \theta = $

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

જો $\cosh 2x = 199$ હોય,તો $\coth x$ ની કિંમત શોધો.

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