Find the value of \({\cot ^{ - 1}}\left( {\frac{4}{5}} \right) + {\cot ^{ - 1}}\left( { - \frac{4}{5}} \right)\).

1
0
2
4/5
3
π 
4
π/2

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation