જો A = ^ -1 x, તો 2 A= .......... - Vidyadip

MCQ

જો $A =\tan ^{-1} x,$ તો $\sin 2 A=\ .......... $

A
$\frac{2 x}{1+x^2}$
B
$\frac{2 x}{1-x^2}$
C
$\frac{2 x}{\sqrt{1-x^2}}$
D
$\frac{2 x}{\sqrt{1+x^2}}$

✓

Answer

સ્વપ્રયત્ન

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