trig values and sohcahtoa
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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. - PowerPoint PPT PresentationTRANSCRIPT
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Trig Values and SOHCAHTOA
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Sin/Csc Cos/Sec Tan/Cot Word Problems Misc.
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
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Question 1 - 10
SinΘ = 1/√2
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Answer 1 – 10
45⁰
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Question 1 - 20
Sin = opposite/?
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Answer 1 – 20
Hypotenuse
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Question 1 - 30
Csc30 =2/?
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Answer 1 – 30
1
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Question 1 - 40
? = hypotenuse/opposite
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Answer 1 – 40
Cosecant
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Question 1 - 50
CscΘ = 2/√3
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Answer 1 – 50
60⁰
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Question 2 - 10
Cos = ?/hypotenuse
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Answer 2 – 10
Adjacent
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Question 2 - 20
SecΘ = 2
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Answer 2 – 20
60⁰
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Question 2 - 30
? = hypotenuse/adjacent
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Answer 2 – 30
Secant
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Question 2 - 40
Cos30 = ?/2
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Answer 2 – 40
√3
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Question 2 - 50
Sec30 = ?/√3
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Answer 2 – 50
2
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Question 3 - 10
Tan = ?/adjacent
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Answer 3 – 10
Opposite
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Question 3 - 20
Tan45 = ?
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Answer 3 – 20
1
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Question 3 - 30
Cot30 = ?
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Answer 3 – 30
√3
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Question 3 - 40
TanΘ = 1/√3
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Answer 3 – 40
30
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Question 3 - 50
Cot45 = ?
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Answer 3 – 50
1
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Question 4 - 10
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Answer 4 – 10
1
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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?
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Answer 4 – 20
Tan30 = x/3535tan30 = xX = 20.207 yards
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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?
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Answer 4 – 30
Tan55 = x/5757tan55 = xX = 81.404 feet
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Question 4 - 40
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Answer 4 – 40
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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?
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Answer 4 – 50
Tan60 = x/100100tan60 = xX = 173.205 meters tall
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Question 5 - 10
? Is the opposite of Secant
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Answer 5 – 10
Cosine
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Question 5 - 20
True/FalseOne can use SOHCAHTOA on any triangles
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Answer 5 – 20
False; only right triangles
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Question 5 - 30
How many special triangles are there with SOHCAHTOA?
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Answer 5 – 30
2; 30-60-90 triangles and
45-45-90 triangles
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Question 5 - 40
How many trig functions are there?
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Answer 5 – 40
6; sin, cos, tan, csc, sec, cot
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Question 5 - 50
What does SOHCAHTOA stand for?
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Answer 5 – 50