Trigonometric Functions deal with the angles in degrees and radians, trigonometric functions (sine, cosine, tangent, etc.), graph, domain, and range. It deals with the periodicity of functions and their transformations. Students also learn symmetry and if functions are even or odd. The chapter also deals with concepts like symmetry and even/odd functions. Solving NCERT exemplar problems helps in better comprehension of such concepts and preparation for the board exams.