જો $\cos ^{-1} x+\cos ^{-1} y+\cos ^{-1} z=3 \pi$ હોય,તો $x^2+y^2+z^2-2xyz$ ની કિંમત શોધો.

  • A
    $3$
  • B
    $2$
  • C
    $1$
  • D
    $5$

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Similar Questions

જો $\sin^{-1} x + \sin^{-1} y = \frac{2\pi}{3}$ હોય,તો $\cos^{-1} x + \cos^{-1} y = $

$\tan ^{-1} \frac{1}{3}+\tan ^{-1} \frac{1}{5}+\tan ^{-1} \frac{1}{7}+\tan ^{-1} \frac{1}{8}$ ની કિંમત $ . . . . . . $ છે.

જો $\tan ^{-1}(x+2)+\tan ^{-1}(x-2)-\tan ^{-1}\left(\frac{1}{2}\right)=0$ હોય,તો $x$ ની એક કિંમત શોધો.

અસમતા $\cos ^{-1} x < \sin ^{-1} x$ નો ઉકેલ ગણ શું છે?

જો $(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8}$ હોય,તો $x$ ની કિંમત શોધો.

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