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Chapter 5.5 Law of Sines

Chapter 5.5 Law of Sines. Learning Target: I can do the proof of the Law of Sines and use the computational applications of the Law of Sines to solve a variety of problems. Law of Sines. In any Δ ABC with angles, A, B, and C opposite sides a, b, and c , the following is true:

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Chapter 5.5 Law of Sines

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  1. Chapter 5.5Law of Sines Learning Target: I can do the proof of the Law of Sines and use the computational applications of the Law of Sines to solve a variety of problems.

  2. Law of Sines • In any ΔABC with angles, A, B, and C opposite sides a, b, and c, the following is true: • sin(A)/a = sin(B)/b = sin(C)/c

  3. Solving Triangles (AAS, ASA) • Solve ΔABC given angle A = 38°, angle B = 53°, and a = 6. C b a 53° 38° A B c

  4. Example • Solve ΔABC given angle a = 8, b = 11, and angle A = 23.8°

  5. Homework Pg. 484 # 2 – 12 even, 19 – 22, 30 - 34

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