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Apuntes

**Main Subtopics:** • Trigonometric Ratios and Calculations • Application of Trigonometry in Problems • Pythagorean Theorem Calculations • Geometric and Trigonometric Problem Solving --- **Trigonometric Ratios and Calculations** Señ A = cos A = tan A = Señ A = cos A = tan A = Señ A = cos A = tan A = Señ A = cos A = tan A = Señ A = cos A = tan A = Señ A = cos A = tan A = --- **Application of Trigonometry in Problems** Yo, Yo velocidad al ordenar N, O, 55°, 100 m/s, 45°, E, No, 55°, 100, cos 55° = V₀, 100·cos 55° = V₀, 57.36 km/h = V₀. 90 - 35° = 55° S, Tan 60° = x/2 1.73 = 1/x 1.73x = 1.19(x + 6) 1.73x = 1.19x + 7.14 0.54x = 7.14 x = 13.22 m Tan 50° = x/6 1.19 = (x + 6)/6 1.19·6 = x + 6 7.14 = x + 6 x = 1.19(13.2) = h x en 0 1.73(13.2) = h h = 22.8 m **Método de igualación:** 1) 7.8x = 1.19(x + 6) 2) 7.8x = 1.19x + 7.14 0.54x = 7.14 --- **Application in Dange (likely "ángulo" or "danger" context)** 1) A = 20° c = 80° E = 20° B, E = 80° Señ 20° = 9 Señ 20° - 80° = 9 2) 7.36 = a 7.36 = a b = 35.18 B = 70° 3) A = 36°, C = 1 B, 90° - 36° = 54° 4) A...