SOLUTION: 6 sec2 x − 6 = 0

Algebra ->  Trigonometry-basics -> SOLUTION: 6 sec2 x − 6 = 0      Log On


   

Question 1078747: 6 sec2 x − 6 = 0
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
6(sec^2x -1)=0
sec^2 x-1=0
sec^2 x =1
sec x=1 and -1
1/cos x=1 and -1
cos x = 1 and -1
That occurs at 0 and pi