Pythagoras' Theorem, Pt 2 - An Extension Of The Proof

Extends the Pythagorean theorem to the field of trigonometry showing its application to acute angled triangles as a special case of the cosine formula.

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Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record