SOLUTION: Use inverse functions where needed to find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.) sec^2 x − 4 sec x = 0

Algebra ->  Trigonometry-basics -> SOLUTION: Use inverse functions where needed to find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.) sec^2 x − 4 sec x = 0      Log On


   



Question 809419: Use inverse functions where needed to find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.)
sec^2 x − 4 sec x = 0

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
find all solutions of the equation in the interval [0, 2π)
sec^2 x − 4 sec x = 0
secx(secx-4)=0
secx=0 (reject, secx≠0)
secx=4
cosx=1/4
x≈1.32, 4.97