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

સમીકરણ $\frac{1}{\sin(\frac{\pi}{n})} = \frac{1}{\sin(\frac{2\pi}{n})} + \frac{1}{\sin(\frac{3\pi}{n})}$ નું સમાધાન કરતું $n > 3$ નું ધન પૂર્ણાંક મૂલ્ય શોધો.

જો $\frac{\sin ^4 x}{2}+\frac{\cos ^4 x}{3}=\frac{1}{5}$ હોય,તો
$(A) \tan ^2 x=\frac{2}{3}$ $(B) \frac{\sin ^8 x}{8}+\frac{\cos ^8 x}{27}=\frac{1}{125}$
$(C) \tan ^2 x=\frac{1}{3}$ $(D) \frac{\sin ^8 x}{8}+\frac{\cos ^8 x}{27}=\frac{2}{125}$

જો $\sinh x = -\frac{1}{2}$ હોય,તો $\tanh 2x = $

$\tan 6^{\circ} \tan 42^{\circ} \tan 66^{\circ} \tan 78^{\circ} = $

જો $\cos \left(\frac{\alpha-\beta}{2}\right)=2 \cos \left(\frac{\alpha+\beta}{2}\right)$ હોય,તો $\tan \frac{\alpha}{2} \tan \frac{\beta}{2}=$

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