જો $\sin^{-1}(1 - x) - 2\sin^{-1}x = \pi/2$ હોય,તો $x$ ની કિંમત શોધો:

  • A
    $0, -1/2$
  • B
    $1/2, 0$
  • C
    $0$
  • D
    $-1, 0$

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જો ${\sin ^{ - 1}}\left( {\frac{{2a}}{{1 + {a^2}}}} \right) + {\sin ^{ - 1}}\left( {\frac{{2b}}{{1 + {b^2}}}} \right) = 2{\tan ^{ - 1}}x,$ હોય,તો $x = $

ધારો કે પ્રતિ-ત્રિકોણમિતીય વિધેયો મુખ્ય કિંમતો લે છે. સમીકરણ $2 \sin ^{-1} x + 3 \cos ^{-1} x = \frac{2 \pi}{5}$ ના વાસ્તવિક ઉકેલોની સંખ્યા કેટલી છે?

કિંમત શોધો: $\tan ^{ - 1}\left(\frac{{{c_1}x - y}}{{{c_1}y + x}}\right) + \tan ^{ - 1}\left(\frac{{{c_2} - {c_1}}}{{1 + {c_2}{c_1}}}\right) + \tan ^{ - 1}\left(\frac{{{c_3} - {c_2}}}{{1 + {c_3}{c_2}}}\right) + ... + \tan ^{ - 1}\left(\frac{1}{{{c_n}}}\right)$

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$\sec(\text{cosec}^{-1}x)$ એ કોના બરાબર છે?

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

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