$\frac{1}{\sin 10^{\circ}}-\frac{\sqrt{3}}{\cos 10^{\circ}}$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $4$
  • C
    $3$
  • D
    આમાંથી કોઈ નહીં

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$\sin^{2} \theta + \sin^{2}(\theta + 60^{\circ}) + \sin^{2}(\theta - 60^{\circ})$ નું મૂલ્ય શોધો.

$\cos^4 \frac{\pi}{8} + \cos^4 \frac{3\pi}{8} + \cos^4 \frac{5\pi}{8} + \cos^4 \frac{7\pi}{8} = $

Difficult
View Solution

જો $(\sin \alpha + \operatorname{cosec} \alpha)^{2} + (\cos \alpha + \sec \alpha)^{2} = K + \tan^{2} \alpha + \cot^{2} \alpha$ હોય,તો $K$ ની કિંમત શોધો.

$\cos 24^{\circ} + \cos 55^{\circ} + \cos 125^{\circ} + \cos 204^{\circ} + \cos 300^{\circ}$ નું મૂલ્ય શોધો.

જો $\operatorname{cosec}^{2} \theta = \frac{4xy}{(x+y)^{2}}$ હોય,તો

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