Trigonometric Identities

The Trigonometry credentials document competencies in areas related to mathematics instruction as well as forensic science, nuclear engineering, industrial engineering, architecture, aerospace, and a variety of related research and education areas. Specifically, this badge demonstrates the earner's ability to verify the various types of trigonometric identities including fundamental identities, identities for cosine, identities for sine and tangent, double-angle identities, and half-angle identities.