જો $\tan \theta = \frac{\sin \alpha - \cos \alpha}{\sin \alpha + \cos \alpha}$ હોય,તો $\sin \alpha + \cos \alpha$ અને $\sin \alpha - \cos \alpha$ ની કિંમત શું થાય?

  • A
    $\sqrt{2} \cos \theta, \sqrt{2} \sin \theta$
  • B
    $\sqrt{2} \sin \theta, \sqrt{2} \cos \theta$
  • C
    $\sqrt{2} \sin \theta, \sqrt{2} \sin \theta$
  • D
    $\sqrt{2} \cos \theta, \sqrt{2} \cos \theta$

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$\sec 2 \theta - \tan 2 \theta =$

$1+\sec ^2 x \sin ^2 x=$

$\frac{1}{\cos 290^{\circ}}+\frac{1}{\sqrt{3} \sin 250^{\circ}} = $

જો $\theta$ ત્રીજા ચરણમાં હોય અને $\cos \theta = -\frac{3}{5}$ હોય,તો $\tan \theta$ ની કિંમત શોધો.

જો $x = \sec \theta + \tan \theta$ હોય,તો $x + \frac{1}{x} = $

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