જો $\tan \theta + \cot \theta = 2$ અને $0^{\circ} < \theta < 90^{\circ}$ હોય,તો $\theta$ નું મૂલ્ય $(\text{in } ^{\circ})$ કેટલું થાય?

  • A
    $60$
  • B
    $75$
  • C
    $30$
  • D
    $45$

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

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જો $\frac{\cos 3A + \sin 3A}{\cos A - \sin A} = 1 - K \sin 2A$ હોય,તો $K$ ની કિંમત શોધો.

$x = 1 - x + x^2 - x^3 + x^4 - x^5 + \dots \infty$ સંબંધનું પાલન કરતી $x$ ની કિંમત શોધો.

જો $\alpha, \beta, \gamma \in \left( 0, \frac{\pi}{2} \right)$ હોય,તો $\frac{\sin(\alpha + \beta + \gamma)}{\sin \alpha + \sin \beta + \sin \gamma}$ શું થાય?

જો $5 \tan \theta = 4$ હોય,તો $\frac{5 \sin \theta - 3 \cos \theta}{5 \sin \theta + 2 \cos \theta} = $

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