SOLUTION: solve sec2x-(1/cosx)=0

Algebra ->  Trigonometry-basics -> SOLUTION: solve sec2x-(1/cosx)=0      Log On


   

Question 860160: solve sec2x-(1/cosx)=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve sec2x-(1/cosx)=0
--------
sec^2(x) - sec(x) = 0
----
sec(x)[sec(x)-1] = 0
sec(x) = 0 (that is extraneous) or sec(x) = 1
---
x = 0 degrees
====================
Cheers,
Stan H.
====================