અંતરાલ $\left[-\frac{\pi}{4}, \frac{3 \pi}{4}\right]$ માં $\sec ^{-1}\left(\frac{1}{4} \sum_{k=0}^{10} \sec \left(\frac{7 \pi}{12}+\frac{k \pi}{2}\right) \sec \left(\frac{7 \pi}{12}+\frac{(k+1) \pi}{2}\right)\right)$ નું મૂલ્ય કેટલું થાય?

  • A
    $0$
  • B
    $5$
  • C
    $8$
  • D
    $9$

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Similar Questions

$\sin^{-1}\left(\sin \frac{5\pi}{3}\right)$ ની કિંમત . . . . . . બરાબર છે.

વિધેયને તેના સરળ સ્વરૂપમાં લખો: $\tan ^{-1}\left(\frac{\cos x-\sin x}{\cos x+\sin x}\right)$

$\tan^{-1} \left( \cot \frac{43\pi}{4} \right)$ નું મુખ્ય મૂલ્ય શોધો.

કિંમત શોધો: $\cos^{-1}\sqrt{1-x} + \sin^{-1}\sqrt{1-x}$

$\sin (2{\sin ^{ - 1}}0.8) = $

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