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Mixed Review: Determine whether you should use Law of Sines or Law of Cosines. Solve the problem for the indicated information. 3. In AMNO, mZM

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Mixed Review: Determine whether you should use Law of Sines or Law of Cosines. Solve the problem for the indicated information. 3. In AMNO, mZM = 135, m = 18, and n = 14. Find mZO. Round your answer to the nearest tenth. 4. In AABC, mZA = 60*, a = 8, and b = 6. Find m_B. Round your answer to the nearest tenth. 5. Describe and correct the error a student made in using the Law of Cosines to solve for b in AABC where mzB = 120, a = 16, and c = 14. b2 = 162+ 142 -(16)(14)(cos 1209) b2 = 162+ 142 (16)(14)(cos 1209) 62 = 256 + 196 - (224)(-0.5) b2= 256 + 196 - (_)(-0.5) b2 = 256 + 196 + 112 = 564 62 = 256 + 196 + =676 b= 23.7 b =

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