SubArea: Trigonometric equations and inequalitiesLevel: BProject ID: 1003086109Accepted: 1Clonable: 0Easy: 0The solution set of the equation tgx+cotgx=2 for x∈[−2π;2π] is:{−7π4;−3π4;π4;5π4}{−7π4;π4;}{−5π4;−π4;3π4;7π4}{−3π4;π4}