Bee, K.G. and Won, J.Y. 2023. IMPLEMENTATION OF BIORHYTHM GRAPH WITH TRIGONOMETRIC FUNCTIONS USING PYTHON: Received: 16th December 2022; Revised: 17th February 2023, 13th March 2023; Accepted: 14th April 2023. MATTER: International Journal of Science and Technology. 9, (Jul. 2023), 66–73. DOI:https://doi.org/10.20319/mijst.2023.9.6673.