સમીકરણ $\sin^{-1} x = 2 \tan^{-1} x$ (મુખ્ય કિંમતોમાં) ના ઉકેલોની સંખ્યા શોધો.

  • A
    $1$
  • B
    $4$
  • C
    $2$
  • D
    $3$

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$\sin \left[3 \sin ^{-1}(0.4)\right] = \ldots$

$\sinh^{-1}\left(\frac{x}{\sqrt{1-x^2}}\right)$ કોના બરાબર છે?

સાબિત કરો કે $\frac{9 \pi}{8} - \frac{9}{4} \sin^{-1} \frac{1}{3} = \frac{9}{4} \sin^{-1} \frac{2 \sqrt{2}}{3}$.

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જો $\cos ^{-1} x - \cos ^{-1} \frac{y}{3} = \alpha$,જ્યાં $-1 \leq x \leq 1$,$-3 \leq y \leq 3$,અને $x \leq \frac{y}{3}$ હોય,તો તમામ $x, y$ માટે $9x^2 - 6xy \cos \alpha + y^2$ ની કિંમત શું થાય?

જો $\sin ^{-1} a=\alpha+\beta$ અને $\sin ^{-1} b=\alpha-\beta$ હોય,તો $\sin ^2 \alpha+\cos ^2 \beta=$ . . . . . . .

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