જો $\cos \theta - 4 \sin \theta = 1$ હોય,તો $\sin \theta + 4 \cos \theta$ ની કિંમત શોધો.

  • A
    $\pm 1$
  • B
    $0$
  • C
    $\pm 2$
  • D
    $\pm 4$

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Similar Questions

ધારો કે $S = \left\{ \theta \in \left( 0, \frac{\pi}{2} \right) : \sum_{m=1}^{9} \sec \left( \theta + (m-1) \frac{\pi}{6} \right) \sec \left( \theta + \frac{m \pi}{6} \right) = -\frac{8}{\sqrt{3}} \right\}$. તો:

$\cos \frac{2\pi}{28} \csc \frac{3\pi}{28} + \cos \frac{6\pi}{28} \csc \frac{9\pi}{28} + \cos \frac{18\pi}{28} \csc \frac{27\pi}{28}$ નું ચોક્કસ મૂલ્ય શું છે?

જો $\sin 2\theta + \sin 2\phi = \frac{1}{2}$ અને $\cos 2\theta + \cos 2\phi = \frac{3}{2}$ હોય,તો $\cos^2(\theta - \phi) =$

જો $\cos \theta - \sin \theta = \sqrt{5} \sin \theta$ હોય,તો $\cos \theta + \sin \theta = $

જો $5 \sinh x - \cosh x = 5$ હોય,તો $\tanh x$ ની એક કિંમત શોધો.

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