જો $0 < x < \pi$ અને $\cos x + \sin x = \frac{1}{2}$ હોય,તો $\tan x$ ની કિંમત શોધો.

  • A
    $\frac{1 - \sqrt{7}}{4}$
  • B
    $\frac{4 - \sqrt{7}}{3}$
  • C
    $-\frac{4 + \sqrt{7}}{3}$
  • D
    $\frac{1 + \sqrt{7}}{4}$

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Similar Questions

$\sum\limits_{r = 1}^{89} {{\log _3}(\tan {r^\circ})} = $

$2(\sin^6 \theta + \cos^6 \theta) - 3(\sin^4 \theta + \cos^4 \theta) + 1$ ની કિંમત શોધો.

${e^{\log_{10} \tan 1^\circ + \log_{10} \tan 2^\circ + \log_{10} \tan 3^\circ + \dots + \log_{10} \tan 89^\circ}}$ ની કિંમત શોધો.

જો $\sin \alpha = \sin \beta$ અને $\cos \alpha = \cos \beta$ હોય,તો કોઈ પૂર્ણાંક $n$ માટે $\alpha - \beta = $ શું થાય?

વિધાન $(A)$: જો $\sqrt{4 \sin^4 \theta + \sin^2 2\theta} + 4 \cos^2\left(\frac{\pi}{4} - \frac{\theta}{2}\right) = 2$ હોય,તો $\theta$ એ $3^{\text{rd}}$ ચરણ અથવા $4^{\text{th}}$ ચરણમાં આવેલું છે.
કારણ $(R)$: $\sqrt{\sin^2 \theta} = \sin \theta$

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