$\cos \left[\cos ^{-1}\left(-\frac{1}{7}\right)+\sin ^{-1}\left(-\frac{1}{7}\right)\right]$ ની કિંમત શોધો.

  • A
    $-\frac{1}{3}$
  • B
    $0$
  • C
    $\frac{1}{3}$
  • D
    $\frac{4}{9}$

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Similar Questions

જો $y = \sin^{-1}\left(\frac{x^2 - 1}{x^2 + 1}\right) + \sec^{-1}\left(\frac{x^2 + 1}{x^2 - 1}\right)$,$|x| > 1$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો:

$\sin ^{-1}\left(\frac{3}{5}\right)-\sin ^{-1}\left(\frac{8}{17}\right)=$ . . . . . .

સાબિત કરો કે $\tan ^{-1} \sqrt{x} = \frac{1}{2} \cos ^{-1} \left( \frac{1-x}{1+x} \right)$,જ્યાં $x \in [0, 1]$.

જો $\tan (x + y) = 33$ અને $x = \tan^{-1}(3)$ હોય,તો $y$ ની કિંમત શું થશે?

$\tan \left\{\frac{1}{2} \cos ^{-1} \frac{\sqrt{5}}{3}\right\}$ ની કિંમત શોધો.

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