- #1
thomas49th
- 655
- 0
Homework Statement
(b) Solve, for 0 <= x < 360°, the equation
2tan²x + secx = 1,
Homework Equations
I think I have to solve it quadratically but I need to get the trigs to the same trig form
The Attempt at a Solution
[tex]2\frac{sin^{2}x}{cos^{2}x} + \frac{1}{cosx} = 1[/tex]
but I can't see any other logical step after that?
Thanks :)