$\frac{\sin 3\theta - \cos 3\theta}{\sin \theta + \cos \theta} + 1 = $

  • A
    $2\sin 2\theta$
  • B
    $2\cos 2\theta$
  • C
    $\tan 2\theta$
  • D
    $\cot 2\theta$

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$\sqrt{\frac{1 - \sin A}{1 + \sin A}} = $

$\sqrt{2} + \sqrt{3} + \sqrt{4} + \sqrt{6}$ ની કિંમત શોધો.

જો $\cos ^3 x \sin 4 x = \sum_{r=0}^{n} a_{r} \sin rx$ તમામ $x \in R$ માટે હોય,તો $a_3+a_5 : a_1+a_7 = $

જો $\tan x = \frac{3}{4}$ અને $\pi < x < \frac{3 \pi}{2}$ હોય,તો $\cos \frac{x}{2} = . . . . . .$

જો $\cos x = -\frac{1}{3}$ અને $x$ એ $III$ ચરણમાં હોય,તો $\sin \frac{x}{2}, \cos \frac{x}{2}$ અને $\tan \frac{x}{2}$ શોધો.

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