SINE WAVE By N., Sam M.S. - 34 a mathematical expression of a trigonometric function of sine or cosine and is a function of time. It has only one frequency component. A sine wave is not like a complex wave. SINE WAVE: "A sine wave has amplitude, frequency and phase." Related Psychology Terms BRAIN WAVES (Electroencephalogram, EEG) HEARING (AUDITION) HEARING COMPLEX EXPRESSIVE BEHAVIOR ADOLESCENCE (Theories) OEDIPUS COMPLEX (Oedipus Situation) FOURIER ANALYSIS EPILEPSY (Symptoms and Types) BODY LANGUAGE (Organ Language) Cite this page: N., Sam M.S., "SINE WAVE," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/sine-wave/ (accessed December 2, 2022).