Answer:
The answer to your question is x₁ = 0° and x₂ = 45°
Step-by-step explanation:
Data
3tan²x = 3tanx
Process
1.- Equal to zero
3tan²x - 3tanx = 0
2.- Factor by common factor
3tanx(tanx - 1) = 0
3.- Equal to zero each factor
3tanx = 0 tanx - 1 = 0
tanx = 0/3 tanx = 1
tanx = 0 x = 45°
x = 0°