𓈊

#three hills #sine wave #sinusoid #sinusoidal #wave #wavy #peak trough #up and down #hilly

📈〰️📉

#waveform #signal line #amplitude #graph wave #sinusoidal

⚪️⚫️🌊⚫️⚪️

#alternating #water wave #sinusoidal

⬛️⬜️⬛️〰️

#alternating #block wave #sinusoidal