MM trig

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Trigonometry: Sine, Cosine, Tangent xOpposite Adjacent Hypotenuse sin x = opposite hypotenuse cos x = adjacent hypotenuse tan x = opposite adjacent

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MM trig problems

Transcript of MM trig

Trigonometry:    

Sine,  Cosine,  Tangent  

x∘  

Opposite    

Adjacent    

Hypotenuse    

sin x = oppositehypotenuse

cos x = adjacenthypotenuse

tan x = oppositeadjacent

hypotenuse*sin x = opposite

hypotenuse*cos x = adjacent

adjacent * tan x = opposite

x° = sin−1 oppositehypotenuse

x° = cos−1 adjacenthypotenuse

x° = tan−1 oppositeadjacent

67  

23    x    

Example  1    Find  x  

sin x = oppositehypotenuse

hypotenuse*sin x = opposite

23*sin67 = x Make  sure  your  calculator  is  set  to  degrees:  1.   Press  Doc  2.   Press  7  se8ng  &  Status  3.   Press  2  Document  Se8ngs  4.   Choose  Angle:  select  Degree  

21= x

67  

23    x    

Find  x  

sin x = oppositehypotenuse

hypotenuse*sin x = opposite

23*sin67 = x Make  sure  your  calculator  is  set  to  degrees:  1.   Press  Doc  2.   Press  7  se8ng  &  Status  3.   Press  2  Document  Se8ngs  4.   Choose  Angle:  select  Degree  

21= x

67  

23    x    

Find  x  

sin x = oppositehypotenuse

hypotenuse*sin x = opposite

23*sin67 = x Make  sure  your  calculator  is  set  to  degrees:  1.   Press  Doc  2.   Press  7  se8ng  &  Status  3.   Press  2  Document  Se8ngs  4.   Choose  Angle:  select  Degree  

21= x

67  

23    x    

Find  x  

sin x = oppositehypotenuse

hypotenuse*sin x = opposite

23*sin67 = x Make  sure  your  calculator  is  set  to  degrees:  1.   Press  Doc  2.   Press  7  se8ng  &  Status  3.   Press  2  Document  Se8ngs  4.   Choose  Angle:  select  Degree  

21= x

67  

23    x    

Find  x  

sin x = oppositehypotenuse

hypotenuse*sin x = opposite

23*sin67 = x Make  sure  your  calculator  is  set  to  degrees:  1.   Press  Doc  2.   Press  7  se8ng  &  Status  3.   Press  2  Document  Se8ngs  4.   Choose  Angle:  select  Degree  

21= x

67  

23    x    

Find  x  

sin x = oppositehypotenuse

hypotenuse*sin x = opposite

23*sin67 = x Make  sure  your  calculator  is  set  to  degrees:  1.   Press  Doc  2.   Press  7  se8ng  &  Status  3.   Press  2  Document  Se8ngs  4.   Choose  Angle:  select  Degree  

21= x

56    

34    

Example  1    Find  x  

31° = x

x∘  

x° = tan−1 oppositeadjacent

x° = tan−1 3456

56    

34    

Find  x  

31° = x

x∘  

x° = tan−1 oppositeadjacent

x° = tan−1 3456

56    

34    

Find  x  

31° = x

x∘  

x° = tan−1 oppositeadjacent

x° = tan−1 3456

56    

34    

Find  x  

31° = x

x∘  

x° = tan−1 oppositeadjacent

x° = tan−1 3456

37  

33    x    

Find  x  

21  43    

x    

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39  43    

x    

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19  43    

x    

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27  

41    

x    

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35    

14    

Find  x  

x∘  

29    11    

Find  x  

x∘  

29    

41    

Find  x  

x∘  

29    

11    

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x∘  

21    

11    

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x∘  

53    

31    

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x∘