STATEMENT: “It is not the case that some TRIGONOMETRIC functions are not periodic” "some trigonometric functions are not periodic" meansThere exist some trigonometric functions which are ALSO not periodic. ∃X [T(x) ∧ ¬ P(x)]The negation of it."It is not the case that some trigonometric functions are not periodic"¬ ∃x[T(x) ∧ ¬ P(x)]