Question

tan²θ-tanθ+根号3-根号3tanθ=0,则θ=?

Answer 1

tanθ（tanθ-1)-√3(tanθ-1)=0,

（tanθ-1)(tanθ-√3)=0,

tanθ=1,

θ=45°

tanθ=√3,

或,θ=60° .