$\lim _{x \rightarrow \pi} \frac{1-\sin (x/2)}{\left(\cos \frac{x}{2}\right)\left(\cos \frac{x}{4}-\sin \frac{x}{4}\right)} =$

  • A
    $\frac{3}{\sqrt{2}}$
  • B
    $\frac{-1}{\sqrt{2}}$
  • C
    $\frac{1}{\sqrt{2}}$
  • D
    $\frac{5}{\sqrt{2}}$

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$\mathop {\lim }\limits_{\theta \to 0} \left( \frac{\sin(\theta/4)}{\theta} \right)$ ની કિંમત શું છે?

જો $\theta$ એક નાની અને ધન સંખ્યા હોય,તો નીચેનામાંથી કયું/કયા સાચું છે?

$\lim _{x \rightarrow 0} \frac{1-\cos x}{x^2} = $

$\lim _{x \rightarrow 0} \frac{8}{\sin ^8 x} \left\{1-\cos \left(\frac{x^2}{2}\right)-\cos \left(\frac{x^2}{4}\right)+\cos \left(\frac{x^2}{2}\right) \cos \left(\frac{x^2}{4}\right)\right\} =$

જો $\mathop {\lim }\limits_{x \to 0} kx\,\text{cosec}\,x = \mathop {\lim }\limits_{x \to 0} x\,\text{cosec}\,kx$ હોય,તો $k = $

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