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4thQ_MARCIANO_MATH9
  • 1. If you are given the opposite side and hypotenuse, which trigonometric function should you use?
A) cotangent
B) sine
C) cosine
D) tangent
  • 2. If you are given the hypotenuse and an adjacent side, which trig function should you use?
A) cotangent
B) tangent
C) cosine
D) sine
  • 3. Give the Ratio for TAN X
A) Opp/Adj
B) Opp/Hyp
C) Adj/Opp
  • 4. Cotangent is the reciprocal of what function?
A) Tangent
B) Cosecant
C) Sine
  • 5. Cosecant is the reciprocal of what function?
A) Secant
B) Sine
C) cosine
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  • 6. What is the length of the hypotenuse?
A) 30
B) 34
C) 16
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  • 7. What is the adjacent side to <D?
A) DF
B) DE
C) EF
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  • 8. sin A = ?
A) 7/25
B) 24/25
C) 7/24
  • 9. Which Acronym is used to help remember the Trigonometric Ratios.
A) RISE OVER RUN
B) SOH CAH TOA
C) EXCUSE MY DEAR AUNT SALLY
D) SIN COS TAN
  • 10. Which one is the easy way to remember trigonometric ratios?
A) Soh Ceh Toa
B) Sah Coh Toa
C) Soh Cah Toa
D) Soh Cah Tao
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  • 11.
A) 27/36
B) 45/36
C) 27/45
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  • 12.
A) 18/30
B) 18/24
C) 24/30
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  • 13.
A) 48/50
B) 14/50
C) 14/48
D) 48/14
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  • 14. Choose the correct ratio.
A) sin(33)=x/14
B) sin(33)=14/x
C) cos(33)=x/14
D) cos(33)=14/x
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  • 15. What is the correct equation to solve for x ?
A) tan( 46 ) = 17/x
B) tan (46 ) = x/17
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  • 16. What is the correct equation to solve for x?
A) sin (45) = 13/x
B) sin (45) = x/13
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  • 17. Find the ratio for cosA. (Reduce the fraction)
A) 4/5
B) 3/5
C) 36/27
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  • 18. Determine the value of: sin(C)
A) 25 / 7
B) 24 / 7
C) 24 / 25
  • 19. Which is the best strategy to use for finding the length of the missing side?
A) sine
B) cosine
C) tangent
D) Pythagorean Theorem
  • 20. are the three main functions in trigonometry.
A) Sine, Cosine and Tangent
B) Cosecant, Secant, and Cotangent
  • 21. Sine, Cosine and Tangent are often shortened as ____,_____, and _____.
A) sin, cos, and tan
B) sin, css, and tan
C) sn, cs, and tn
  • 22. The ∠ of depression is the ∠ formed above the horizontal line.
A) TRUE
B) FALSE
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  • 23. Is the given angle of 70 degrees, an angle of elevation or an angle of depression?
A) Angle of Depression
B) Angle of Elevation
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  • 24. The angle of 12o is a(n)
A) Angle of Elevation
B) Angle of Depression
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  • 25. What is the cosine of angle P?
A) p/q
B) r/q
C) q/r
  • 26. What does it mean when two angles are complementary?
A) The sum of the measures of the two angles is 180°
B) The sum of the measures of the two angles is 90°
C) The sum of the measures of the two angles is 190°
  • 27. How many pairs of cofunctions in the trigonometric functions?
A) 3 pairs
B) 8 pairs
C) 2 pairs
D) 6 pairs
  • 28. The values of the cofunctions of complementary angles are ______.
A) not equal
B) Equal
  • 29. If A and B are complementary angles, what is equal to csc B?
A) Sec B
B) Csc A
C) Sec A
  • 30. are functions of
    complementary angles.
A) Complementary
B) Cofunctions
  • 31. Consider the right triangle BCA at the right:

    The opposite side of ∠𝐴 is _________.
A) The opposite side of ∠𝐴 is line segment a
B) The opposite side of ∠𝐴 is line segment b
  • 32. Consider the right triangle BCA at the right:

    The adjacent side of ∠𝐴 is _________.
A) The adjacent side of ∠𝐴 is line segment a.
B) The adjacent side of ∠𝐴 is line segment b.
  • 33. Consider the right triangle BCA at the right:

    The opposite side of ∠𝐵 is _________.
A) The opposite side of ∠𝐵 is line segment a.
B) The opposite side of ∠𝐵 is line segment b.
  • 34. Consider the right triangle BCA at the right:

    The adjacent side of ∠𝐵 is _________.
A) The adjacent side of ∠𝐵 is line segment a.
B) The adjacent side of ∠𝐵 is line segment b.
  • 35. is a line that connects the eye of an observer to the object being observed.
A) Angle of Elevation
B) Angle of Depression
C) Line of sight
  • 36. True or false: cot is the reciprocal of tan?
A) FALSE
B) TRUE
  • 37. true or false: sec is the reciprocal of sin?
A) FALSE
B) TRUE
  • 38. True or false: csc is the reciprocal of tan?
A) FALSE
B) TRUE
  • 39. True or false: csc is the reciprocal of sec?
A) FALSE
B) TRUE
  • 40. True or false: sin is the reciprocal of cos?
A) FALSE
B) TRUE
  • 41. True or false: csc is the reciprocal of sin?
A) FALSE
B) TRUE
  • 42. True or false: sec is the reciprocal of cos?
A) FALSE
B) TRUE
  • 43. True or false: cos is the reciprocal of tan?
A) TRUE
B) FALSE
  • 44. True or false: sec is the reciprocal of sin?
A) TRUE
B) FALSE
  • 45. True or false: cot is the reciprocal of tan?
A) TRUE
B) FALSE
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  • 46. Solve for COS A. SIMPLIFY THE FRACTION!
A) A
B) B
C) D
D) C
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  • 47. Solve for TAN A
A) A
B) C
C) D
D) B
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  • 48. Solve for TAN A. SIMPLIFY THE FRACTION!
A) A
B) C
C) B
D) D
  • 49. Which TRIG FUNCTION, does NOT use the HYPOTENUSE in its ratio?
A) sine
B) tangent
C) cosine
  • 50. Which TRIG FUNCTION, does NOT use the ADJACENT in its ratio?
A) cosine
B) tangent
C) sine
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