જો $\sinh u = \tan \theta$ હોય,તો $\cosh u$ ની કિંમત શું થાય?

  • A
    $-\sec \theta$
  • B
    $\sec \theta$
  • C
    $\sin \theta$
  • D
    $\cot \theta$

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જો $\cos(\theta - \alpha) = a$ અને $\sin(\theta - \beta) = b$ હોય,તો $\cos^2(\alpha - \beta) + 2ab\sin(\alpha - \beta)$ ની કિંમત કેટલી થાય?

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$\frac{\cos 12^{\circ}-\sin 12^{\circ}}{\cos 12^{\circ}+\sin 12^{\circ}}+\frac{\sin 147^{\circ}}{\cos 147^{\circ}} = $

જો $\sin x + \sin y = p$ અને $\cos x + \cos y = q$ હોય,તો $\sec(x + y) = $

$2 \sin^2 \beta + 4 \cos(\alpha + \beta) \sin \alpha \sin \beta + \cos 2(\alpha + \beta) = $

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