How do you evaluate sec(pi/3)?
1 Answer
Apr 4, 2016
2
Explanation:
secx = 1/cosx
rArr sec(pi/3) = 1/cos(pi/3) Using the
pi/3 , pi/6 , pi/2 " triangle " with sides of length 1 ,
sqrt3 " and " 2 we can obtain the exact value of
cos(pi/3) = 1/2
rArr sec(pi/3) = 1/(1/2) = 2
