document.write( "Question 871973: Evaluate arctan (√3) \n" ); document.write( "
\n" ); document.write( "Hi\n" ); document.write( "arctan (√3), θ = 60°, 240°\n" ); document.write( "(cosx, sinx) Unit Circle Reference\n" ); document.write( "\n" ); document.write( "