Question

Solve on the interval [0,2pi):

3 sec x - 1 = 2

A. 0
B. 2pi/3,4pi/3
C. pi/3,5pi/3
D. pi/6,5pi/6

Answer 1

A

Answer 2

3 sec x -1 =2

3 sec x =3 add 1 tbs
sec x = 1 divide by 3 bs

x=arcsec(1)=0 take arcsec