Texas Education Agency
Texas Gateway: Simple Harmonic Motion: A Special Periodic Motion
By the end of this section, you will be able to describe a simple harmonic oscillator and relate physical characteristics of a vibrating system to aspects of simple harmonic motion and any resulting waves.
CK-12 Foundation
Ck 12: Trigonometry: Period and Frequency
[Free Registration/Login may be required to access all resource tools.] Relating period and frequency for a sine or cosine graph with examples, practice problems, and vocabulary.