Trigonometry Review Game
description
Transcript of Trigonometry Review Game
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Trigonometry Review Game
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• Do not use a calculator on any of these questions until specified otherwise.
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Sin(45) = ?(1 min)
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Answer:
Sin(45) = sqrt(2)/2
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cos(45) = ?(15 secs)
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Answer
cos(45) = sqrt(2)/2
Sin(45) = cos(45) since they are cofunctions.
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cos(60) = ?(1 min)
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answer
cos(60) = 1/2
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tan(60) = ?(1 min)
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answer
tan(60) = sqrt(3)
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tan(90) = ?(1 min)
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answer
tan(90) = undefined
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sin(0) = ?(1 min)
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answer
sin(0) = 0
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Find the exact value:
sin2 60 + cos 60 =
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answer
sin2 60 + cos 60 = 5/4
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csc2(30) = ?
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answer
csc2(30) = 4
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Describe the co function theorem and give an example.
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Answer:
Answers will vary. Anything to the likes of “If two angles are cofunctions, then the trig function of one angle will equal the cofunction of its complement. Ex: sin30 = cos60” would do.
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Ok, now you can use a calculator.
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Cot(64.8) = ?
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answer
Cot(64.8) = .4706
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Find the cofunction for the following. Keep your answer in degrees and minutes.
Csc(63o 14’) = ?
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answer
Find the cofunction for the following. Keep your answer in degrees and minutes.
Csc(63o 14’) = sec(26o 46’)
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81o 9’ – 43o 47’ = ?
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answer
81o 9’ – 43o 47’ = 37o22’
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Find x
Csc(x) = 1. 6734
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answer
X = 36.7o
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The rest of the test are right triangle problems.