જો દ્વિઘાત સમીકરણ $4^{\sec^2 \alpha} x^2 + 2x + (\beta^2 - \beta + \frac{1}{2}) = 0$ ના બીજ વાસ્તવિક હોય,તો $\cos^2 \alpha + \cos^{-1} \beta$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{3}$
  • B
    $\frac{\pi}{3} + 1$
  • C
    $\frac{\pi}{2}$
  • D
    $\frac{\pi}{2} - 1$

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Similar Questions

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

સાબિત કરો કે $\sin ^{-1} \frac{12}{13}+\cos ^{-1} \frac{4}{5}+\tan ^{-1} \frac{63}{16}=\pi$

$\sec ^2(\tan ^{-1} 2)+\operatorname{cosec}^2(\cot ^{-1} 3)$ ની કિંમત શોધો.

$\sec ^2(\tan ^{-1} 2) + \operatorname{cosec}^2(\cot ^{-1} 3)$ ની કિંમત શોધો.

જો $a^2+b^2+c^2=r^2$ હોય,તો $\tan ^{-1}\left(\frac{a b}{c r}\right)+\tan ^{-1}\left(\frac{b c}{a r}\right)+\tan ^{-1}\left(\frac{c a}{b r}\right)$ નું મૂલ્ય શોધો.

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