$x$ ની કિંમત શોધો, જ્યાં $x>0$ અને $\tan \left(\sec ^{-1}\left(\frac{1}{x}\right)\right)=\sin \left(\tan ^{-1} 2\right)$ છે.

  • A
    $\sqrt{5}$
  • B
    $\frac{\sqrt{5}}{3}$
  • C
    $1$
  • D
    $2/3$

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અસમતા $(\tan^{-1} x)(\cot^{-1} x) - (\tan^{-1} x)(1 + \frac{\pi}{2}) - 2\cot^{-1} x + 2(1 + \frac{\pi}{2}) > \lim_{x \to \infty} [\sec^{-1} x - \frac{\pi}{2}]$ નો ઉકેલ ગણ શોધો (જ્યાં $[.]$ એ મહત્તમ પૂર્ણાંક વિધેય દર્શાવે છે):

જો $\sum_{k=1}^n \tan^{-1} \left( \frac{1}{k^2+k+1} \right) = \tan^{-1} ( \theta )$ હોય,તો $\theta =$

જો $\sin ^{-1} \frac{\alpha}{17}+\cos ^{-1} \frac{4}{5}-\tan ^{-1} \frac{77}{36}=0$ અને $0 < \alpha < 13$ હોય,તો $\sin ^{-1}(\sin \alpha)+\cos ^{-1}(\cos \alpha)$ ની કિંમત $.........$ થાય.

$f: R \rightarrow R$ ને $f(x) = \cos(\tan^{-1}(\sin(\tan^{-1} x)))$ દ્વારા વ્યાખ્યાયિત કરો. તો $\lim_{x \rightarrow \infty} (f \circ f)(x)$ ની કિંમત શોધો.

$\left[\sin \left(\tan ^{-1} \frac{3}{4}\right)\right]^{2}+\left[\sin \left(\tan ^{-1} \frac{4}{3}\right)\right]^{2}=$

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