Question: Solve the equation. 1. tan2 x + tan x 12 = 0 2. tan2 x tan x 2 = 0 3. sec2

Solve the equation.
1. tan2 x + tan x − 12 = 0
2. tan2 x − tan x − 2 = 0
3. sec2 x − 6 tan x = −4
4. sec2 x + tan x = 3
5. 2 sin2 x + 5 cos x = 4

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