MCQ
$\sin ({\cot ^{ - 1}}x) =$
- A$\sqrt {1 + {x^2}} $
- B$x$
- C${(1 + {x^2})^{ - 3/2}}$
- ✓${(1 + {x^2})^{ - 1/2}}$
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વિધાન $1: $ $adj\left( {adj\;A} \right) = A$
વિધાન $2:$ $\left| {adj\;A} \right| = \left| A \right|$