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

  • A
    $x+y+z-3=0$
  • B
    $x+y+z+3=0$
  • C
    $x+2 y+3 z-5=0$
  • D
    $x-y-z=0$

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Similar Questions

$\tan ^{-1} x+2 \cot ^{-1} x=\frac{2 \pi}{3}$ નો ઉકેલ શોધો.

જો $\tan ^{-1}(2 x)+\tan ^{-1}(3 x)=\frac{\pi}{4}$,જ્યાં $x>0$,તો $x=$

$\tan ^{-1}(1)+\cos ^{-1}\left(-\frac{1}{2}\right)+\sin ^{-1}\left(-\frac{1}{2}\right)$ નું મૂલ્ય શોધો.

$\tan \left[ {\frac{\pi }{4} + \frac{1}{2}{{\cos }^{ - 1}}\frac{a}{b}} \right] + \tan \left[ {\frac{\pi }{4} - \frac{1}{2}{{\cos }^{ - 1}}\frac{a}{b}} \right] = $

વિધેય $f(x) = \sqrt{|\sin^{-1}|\sin x|| - |\cos^{-1}|\cos x||}$ નો વિસ્તાર શોધો.

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