Math Problem Statement
Diketahui rumus sisi segitiga (RSS), rumus sinus (RS) dan rumus cosinus (RC) sebagai berikut, (RSS) = a= b cos lamda + c cos beta ; b = a cos lamda + c cos alpha; c = a cos beta + b cos alpha. (RC)= a^2 = b^2 + c^2-2bc cos alpha; b^2=a^2+c^2-2ac cos beta; c^2=a+b- 2ab cos lamda. (RS)= sin alpha/a=sin beta/b=sin lamda/c. buktikan (RS) jika dan hanya jika (RC). jelaskan buktinya dengan rinci
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Triangle Properties
Law of Sines
Law of Cosines
Formulas
Law of Sines: sin(α)/a = sin(β)/b = sin(λ)/c
Law of Cosines: a^2 = b^2 + c^2 - 2bc * cos(α)
Theorems
Law of Sines
Law of Cosines
Pythagorean Identity: sin^2(θ) + cos^2(θ) = 1
Suitable Grade Level
Grades 10-12
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