જો $2 \sin \theta + \cos \theta = \frac{7}{3}$ હોય,તો $(\tan^2 \theta - \sec^2 \theta)$ ની કિંમત શોધો.

  • A
    $\frac{3}{7}$
  • B
    $\frac{7}{3}$
  • C
    $0$
  • D
    $-1$

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$\theta$ ના તમામ શક્ય મૂલ્યો માટે $\frac{\sin^2 \theta}{\sin \theta - \cos \theta} - \frac{\sin \theta + \cos \theta}{\tan^2 \theta - 1}$ ની કિંમત:

$\frac{(\tan 69^{\circ} + \tan 66^{\circ})}{(1 - \tan 69^{\circ} \tan 66^{\circ})}$ ની કિંમત શોધો.

જો $\sin \theta + \cos \theta = \frac{17}{13}, 0 < \theta < 90^{\circ}$ હોય,તો $\sin \theta - \cos \theta$ ની કિંમત શોધો.

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

જો $\cos 2B = \frac{\cos (A + C)}{\cos (A - C)}$ હોય,તો $\tan A, \tan B, \tan C$ એ શેમાં છે?

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