$2 \cos ^{-1} x = \sin ^{-1} \left( 2 x \sqrt{1 - x^2} \right)$ એ $x$ ની કઈ કિંમતો માટે સાચું છે?

  • A
    $-1 \leq x \leq 1$
  • B
    $0 \leq x \leq 1$
  • C
    $\frac{1}{\sqrt{2}} \leq x \leq 1$
  • D
    $0 \leq x \leq \frac{1}{\sqrt{2}}$

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Similar Questions

વિધેયને તેના સૌથી સરળ સ્વરૂપમાં લખો: $\tan ^{-1} \left( \frac{\sqrt{1+x^{2}}-1}{x} \right), x \neq 0$

કિંમત શોધો: ${\cot ^{ - 1}}3 + {\csc ^{ - 1}}\sqrt 5 = $

જો $0 < x < 1$ હોય,તો $\sqrt{1+x^2} [\{x \cos (\cot ^{-1} x)+\sin (\cot ^{-1} x)\}^2-1]^{\frac{1}{2}}$ ની કિંમત શોધો.

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

જો ${\tan ^{ - 1}}x - {\tan ^{ - 1}}y = {\tan ^{ - 1}}A$ હોય,તો $A$ ની કિંમત શું થાય?

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