Question
What is the exact value of sec (7( pi))/6?
Answers
bobpursley
well, sec(theta-PI)=-secTheta
so that means sec(7PI/6)=-secPI/6= -1/cosPI/6= -3/sqrt3
so that means sec(7PI/6)=-secPI/6= -1/cosPI/6= -3/sqrt3
Anonymous
the answer is -2/sqrt3