The value of \(\sin [2{\cos ^{ - 1}}\frac{{\sqrt 5 }}{3}] \) is,

1
\(\frac{{\sqrt 5 }}{3}\)
2
\(\frac{{2\sqrt 5 }}{3}\)
3
\(\frac{{4\sqrt 5 }}{9}\)
4
\(\frac{{2\sqrt 5 }}{9}\)

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation