Math
posted by Mary .
What is the exact value of sec (7( pi))/6?

well, sec(thetaPI)=secTheta
so that means sec(7PI/6)=secPI/6= 1/cosPI/6= 3/sqrt3 
the answer is 2/sqrt3
posted by Mary .
What is the exact value of sec (7( pi))/6?
well, sec(thetaPI)=secTheta
so that means sec(7PI/6)=secPI/6= 1/cosPI/6= 3/sqrt3
the answer is 2/sqrt3