Posted by Trevor on .
Give the exact value of the trigonometric function:
arctan(√3)

Trig 
Reiny,
or
tan ß = √3/1
You should recognize the 1:√3:2 rightangled triangle with angles 30º,60º,90º
we know that tan 60º = √3/1
so arctan√3 = 60º or pi/3 radians