trigonometric

What Is The Domain And Range Of Trigonometric Functions? Function Domain Range f(x) = sin ( x ) (-∞ , + ∞) [-1 , 1] f(x) = cos ( x ) (-∞ , + ∞) [-1 , 1] f(x) = tan ( x ) All real numbers except π/2 + n*π (-in , + ∞)