TRIGONOMETRIA - Spiegazione Primo Teorema dei Triangoli Rettangoli {DIMOSTRAZIONE}

Video lesson on theorems on right-angled triangles (Trigonometry): simple explanation of the first theorem of right-angled triangles with proof. 🔴 LIST OF VIDEO LESSONS 👉 https://supermat.it/videolezioni/ 🔴 Trigonometry, through theorems on right-angled triangles and ordinary triangles, is concerned with finding relationships between the measures of the sides and those of the angles (solving triangles). 👉INTRO -    • Trigonometria Spiegata Facile: Cosa si Stu...   More specifically, in trigonometry, there are two theorems on right-angled triangles: the first works with the trigonometric functions sine and cosine, while the second uses the tangent and cotangent functions. 👉 SINE AND COSINE -    • FUNZIONI GONIOMETRICHE: Seno e Coseno di u...   👉 TANGENT AND COTANGENT -    • FUNZIONI GONIOMETRICHE: spiegazione Tangen...   Statement of the first theorem on right-angled triangles (Trigonometry): "In a right-angled triangle, the length of a leg is equal to the length of the hypotenuse times the sine of the angle opposite the leg, or the cosine of the (acute) angle adjacent to the leg." After briefly explaining and applying the statement of the first theorem on right-angled triangles, we will provide a simple explanation of its proof, using the classic trigonometric circle. #supermat #trigonometry #right-angled triangle -------------------------------------------------------------------- 00:00 ▶︎ Statement of the First Theorem of Right Triangles 00:56 ▶︎ Trigonometry - Right Triangle 02:02 ▶︎ First Theorem of Right Triangles: Formulas 02:51 ▶︎ First Theorem on Right Triangles: Proof 09:11 ▶︎ Introduction to Polar Coordinates ---------------------------------------------------------------------