Proving sin² θ + cos² θ = 1 by Trigonometry Itself

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An animated video describing one among ways to prove the famous trigonometric identity sin² θ + cos² θ = 1. Instead of using Pythagorean theorem as an intermediary, we'll explore a proof directly using trigonometry itself. #shorts #short #proof #trigonometry #trigonometricidentities #sineandcosine
  1. Jean-Valentin Auguste
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