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Unit 4: Extended Trigonometry Review Day

Unit 4: Extended Trigonometry Review Day. Sum of Three Review Game Solving Trig Equations WebQuest (on our blog) Review Sheet (answer key available). Your Unit 4 Test is WEDNESDAY 10/09! I will send you a reminder text . Sum of Three Directions.

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Unit 4: Extended Trigonometry Review Day

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  1. Unit 4: Extended Trigonometry Review Day Sum of Three Review Game Solving Trig Equations WebQuest (on our blog) Review Sheet (answer key available) Your Unit 4 Test is WEDNESDAY 10/09! I will send you a reminder text 

  2. Sum of Three Directions • The concept of the game is to solve the 3 problems in each set. • Then, ADD your answers together and show this SUM to me. If it is correct, you get the next set. If it is incorrect, you must figure out which problem(s) needs correction. • You may work on paper or on your desk with markers.

  3. Set A • How many solutions are there to on [0,360]? • Find another solution for cos-1 (x) = 143o on [0,360]. • Solve on [0,360].

  4. Set B • Find the measure of the largest angle if a = 25, b = 35, and c = 45. • Solve for side b: • Solve for angle C if c = 5, b = 8, and a = 6. B 85o 7 36o C A

  5. Set C • Solve for side c if b = 45, A = 56o, B = 72o • Solve for A if a = 24, b = 27, and B = 84.3o: • Solve for all angles if a = 2, b = 4, c = 3.

  6. Set D • Find the area if C = 35, a = 19, b = 22. • Find the area: • Find the length of side c if the area of the triangle is 39.8cm2 B 25 13 25o C 62o A B C 56o 12 A

  7. Answers • 579 ( 2 + 217 + (150 + 210)) • 156.1 (95.7 + 11.9 + 48.5) • 279.6 (37.3 + 62.2 + (29 + 104.5 + 46.6)) • 290.2 ( 119.9 + 162.3 + 8)

  8. Additional Help on LG 4-1 Solving Trig Equations (SET A Problems) • Notes on REFERENCE ANGLES and complete exercises 1-6. • Notes on SOLVING TRIG EQUATIONS [1] and [2] and complete the exercises. • When you are finished, take the quiz and see your score!

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