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Home  >>  AIMS  >>  Class11  >>  Math  >>  Relations and Functions
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If $f(x)= \large\frac{ 1-x}{1+x}$ then $f[f(\cos 2 \theta)]=$

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$ (C) cos 2 \theta$
Hence C is the correct answer.
answered Jun 12, 2014 by meena.p
 

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