- #1

donjt81

- 71

- 0

I was solving a problem and I am stuck at solving this equation.

(sec x)^2 (tan x)^2 = 2

since we know that (sec x)^2 = 1 + (tan x)^2

[1 + (tan x)^2][(tan x)^2] = 2

(tan x)^2 + (tan x)^4 - 2 = 0

now what do i do...

thanks in advance.