Trig/Math Anal

8. Find the third side of the triangle: 9. Use the law of cosines to solve triangle ABC given: a=11, b = 16, c =15. 10. Use the law of cosines to solve triangle ABC given: A = 42°, b =3, and c = 9. 11. Find the area of the triangle: a) equilateral triangle with perimeter of 39 b) a = 23.5, b = 23.5, and c = 26.4. CHAPTER 5 ................
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