$\sec ^2(\tan ^{-1} 2)+\operatorname{cosec}^2(\cot ^{-1} 3) = $

  • A
    $1$
  • B
    $5$
  • C
    $15$
  • D
    $10$

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Similar Questions

જો $x \in \left(0, \frac{1}{4}\right)$ માટે,$\tan^{-1}\left(\frac{6x\sqrt{x}}{1-9x^3}\right)$ નું વિકલન $\sqrt{x} \cdot g(x)$ હોય,તો $g(x)$ ની કિંમત શોધો.

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

સાબિત કરો કે $3 \sin ^{-1} x = \sin ^{-1}(3 x - 4 x^{3})$,જ્યાં $x \in [-\frac{1}{2}, \frac{1}{2}]$.

$\tan \left[ {\frac{\pi }{4} + \frac{1}{2}{{\cos }^{ - 1}}\frac{a}{b}} \right] + \tan \left[ {\frac{\pi }{4} - \frac{1}{2}{{\cos }^{ - 1}}\frac{a}{b}} \right] = $

જો $a=\sin ^{-1}(\sin (5))$ અને $b=\cos ^{-1}(\cos (5))$ હોય,તો $a^2+b^2$ ની કિંમત શોધો.

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