$2 \tan ^{-1}\left(\frac{1}{3}\right)+\cos ^{-1}\left(\frac{3}{5}\right)=$

  • A
    $\frac{\pi}{4}$
  • B
    $0$
  • C
    $\tan ^{-1}\left(\frac{5}{4}\right)$
  • D
    $\frac{\pi}{2}$

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Similar Questions

સાબિત કરો કે $\cos ^{-1} \frac{4}{5} + \cos ^{-1} \frac{12}{13} = \cos ^{-1} \frac{33}{65}$

$\tan ^{-1}\left(\frac{1}{3}\right)+\tan ^{-1}\left(\frac{1}{5}\right)+\tan ^{-1}\left(\frac{1}{7}\right)+\tan ^{-1}\left(\frac{1}{8}\right)$ નું મૂલ્ય શોધો.

જો $y = \cos^2 [\cot^{-1} (\sqrt{\frac{1-x}{1+x}})]$ હોય, તો $\frac{dy}{dx} = \dots$

$\sin ^{-1} \frac{4}{5} + 2 \tan ^{-1} \frac{1}{3}$ ની કિંમત શોધો.

$\tan ^{-1} \left( \frac{\cos x}{1-\sin x} \right)$,$-\frac{3 \pi}{2} < x < \frac{\pi}{2}$ ને સાદા સ્વરૂપમાં દર્શાવો.

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