$\sin \left\{ {{\sin }^{ - 1}}\frac{1}{2} + {{\cos }^{ - 1}}\frac{1}{2} \right\} = $

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

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यदि $a < \frac{1}{32}$ है,तो $(\sin^{-1} x)^3 + (\cos^{-1} x)^3 = a\pi^3$ के हलों की संख्या क्या है?

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