જો $(\cos ^{-1} x)^2-(\sin ^{-1} x)^2 > 0$ હોય,તો

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

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Similar Questions

${\tan ^{ - 1}}\left[ {\frac{{\sqrt {1 + {x^2}} + \sqrt {1 - {x^2}} }}{{\sqrt {1 + {x^2}} - \sqrt {1 - {x^2}} }}} \right]$,જ્યાં $|x| < 1$ અને $x \ne 0$ હોય,તેની કિંમત શું થાય?

જો $y=\tan ^{-1}\left(\frac{3 x-x^3}{1-3 x^2}\right)+\tan ^{-1}\left(\frac{4 x-4 x^3}{1-6 x^2+x^4}\right)$ હોય, તો $\frac{d y}{d x}$ ની કિંમત શું થાય?

જો $\cos ^{-1}\left(\frac{5}{13}\right)+\cos ^{-1}\left(\frac{3}{5}\right)=\cos ^{-1} x$ હોય, તો $x$ ની કિંમત શોધો.

$\begin{aligned} & 2 \sin ^{-1} x+\sin ^{-1}\left(2 x \sqrt{1-x^2}\right)+3 \cos ^{-1} x \\ & -\cos ^{-1}\left(4 x^3-3 x\right) \text{ની કિંમત શોધો. }\end{aligned}$

$x$ ની સાપેક્ષમાં $\cos^{-1} \left( \sqrt{\frac{1+x}{2}} \right)$ નું વિકલન સહગુણક શું છે?

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