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Trig Values and SOHCAHTOA

Trig Values and SOHCAHTOA. Question 1 - 10. SinΘ = 1/√2. Answer 1 – 10 . 45⁰. Question 1 - 20. Sin = opposite/?. Answer 1 – 20 . Hypotenuse. Question 1 - 30. Csc30 =2/?. Answer 1 – 30 . 1. Question 1 - 40. ? = hypotenuse/opposite. Answer 1 – 40 . Cosecant. Question 1 - 50.

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Trig Values and SOHCAHTOA

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  1. Trig Values and SOHCAHTOA

  2. Question 1 - 10 SinΘ = 1/√2

  3. Answer 1 – 10 45⁰

  4. Question 1 - 20 Sin = opposite/?

  5. Answer 1 – 20 Hypotenuse

  6. Question 1 - 30 Csc30 =2/?

  7. Answer 1 – 30 1

  8. Question 1 - 40 ? = hypotenuse/opposite

  9. Answer 1 – 40 Cosecant

  10. Question 1 - 50 CscΘ = 2/√3

  11. Answer 1 – 50 60⁰

  12. Question 2 - 10 Cos = ?/hypotenuse

  13. Answer 2 – 10 Adjacent

  14. Question 2 - 20 SecΘ = 2

  15. Answer 2 – 20 60⁰

  16. Question 2 - 30 ? = hypotenuse/adjacent

  17. Answer 2 – 30 Secant

  18. Question 2 - 40 Cos30 = ?/2

  19. Answer 2 – 40 √3

  20. Question 2 - 50 Sec30 = ?/√3

  21. Answer 2 – 50 2

  22. Question 3 - 10 Tan = ?/adjacent

  23. Answer 3 – 10 Opposite

  24. Question 3 - 20 Tan45 = ?

  25. Answer 3 – 20 1

  26. Question 3 - 30 Cot30 = ?

  27. Answer 3 – 30 √3

  28. Question 3 - 40 TanΘ = 1/√3

  29. Answer 3 – 40 30

  30. Question 3 - 50 Cot45 = ?

  31. Answer 3 – 50 1

  32. Question 4 - 10

  33. Answer 4 – 10 1

  34. Question 4 - 20 A man is staring at a tree at a 30 degree angle, 43 yards from the tree. How tall is the tree?

  35. Answer 4 – 20 Tan30 = x/35 35tan30 = x X = 20.207 yards

  36. Question 4 - 30 A man in a car is staring up to the top of his work building at a 55 degree angle. He is 57 feet away from the building. What is the height of the office building?

  37. Answer 4 – 30 Tan55 = x/57 57tan55 = x X = 81.404 feet

  38. Question 4 - 40

  39. Answer 4 – 40

  40. Question 4 - 50 A fisherman was out on a fishing trip when he noticed a lighthouse 100 meters away. He was wondering how tall the lighthouse was. Looking up at a 60 degree angle, how tall was the lighthouse?

  41. Answer 4 – 50 Tan60 = x/100 100tan60 = x X = 173.205 meters tall

  42. Question 5 - 10 ? Is the opposite of Secant

  43. Answer 5 – 10 Cosine

  44. Question 5 - 20 True/False One can use SOHCAHTOA on any triangles

  45. Answer 5 – 20 False; only right triangles

  46. Question 5 - 30 How many special triangles are there with SOHCAHTOA?

  47. Answer 5 – 30 2; 30-60-90 triangles and 45-45-90 triangles

  48. Question 5 - 40 How many trig functions are there?

  49. Answer 5 – 40 6; sin, cos, tan, csc, sec, cot

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