Trigonometria Plana Y Esferica De Granville Solucionario May 2026

cos70° = 0.3420, cos80° = 0.1736 → product = 0.0594 sin70° = 0.9397, sin80° = 0.9848 → product = 0.9250 cos100° = -0.1736

This is a request for the ( solucionario ) of Granville’s Plane and Spherical Trigonometry .

Step 2: Law of sines. a / sin A = c / sin C → a = (12 * sin 38°)/sin 68°. Trigonometria plana y esferica de granville solucionario

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Step 3: Compute using log tables (or calculator). sin 38° = 0.6157 sin 68° = 0.9272 a = (12 * 0.6157)/0.9272 = 7.3884/0.9272 ≈ 7.97. cos70° = 0

Given: A=38°, B=74°, c=12 (side opposite C). Step 1: Find C. C = 180° - (38°+74°) = 68°.

cos c = 0.0594 - 0.1606 = -0.1012

b / sin B = c / sin C → b = (12 * sin 74°)/sin 68°. sin 74° = 0.9613 b = (11.5356)/0.9272 ≈ 12.44.