Helppp! tan²x+4tanx+1=0 [0,2pi) How do you do it? I tried factorising it which isn't possible. so i used -b+-squareroot of(b^2-4ac) which got me stuck at (-4 plusminus squareroot of 12 ) / 2 i don't know what to do next. thanksss
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Hello, leo037! I tried factorising it which isn't possible. So i used the Quadratic Formula which got me stuck at: . i don't know what to do next. I used my calculator . . .
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