Fourier series of a triangle function Fourier series of a triangle function begin-post-stats Jeffrey Chasnov • 56K views end-post-stats begin-duration 14:55 end-duration Math topics: _Trigonometry_##Trigonometry##_Pi_##Pi##_Right_angle_##Right angle##_Sine_##Sine##_Trigonometric_functions_##Trigonometric functions##_Elementary_arithmetic_##Elementary arithmetic##_Addition_##Addition##_Fraction_(mathematics)_##Fraction (mathematics)##_Plus_and_minus_signs_##Plus and minus signs Other topics: _Equivalence_(mathematics)_##Equivalence (mathematics)##_Closed-form_expression_##Closed-form expression##_Equality_(mathematics)_##Equality (mathematics)##_Equals_sign_##Equals sign video-id: edwG9x5v3Xo channel_Jeffrey_Chasnov_ So What Learning Elementary arithmetic , Equivalence (mathematics) , Trigonometry Sunday, January 21, 2018 Share Share