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FINDING THE SIN, COSINE, AND TANGENT #2-KEY

 

 

Directions:  Find the sin, cosine, and tangent of the given angles below

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Text Box: 25Text Box: 201)  cos C =   20/25 = 4/5                                                         2)  cos C =   16/20 = 4/5                                                                                                                    

Text Box: 12Text Box: 15     sin C =    15/25 = 3/5                                                              sin C =    12/20 = 3/5

     tan C =   10/24 = 5/12                                                             tan C =   10/24 = 5/12

 

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Text Box: 14Text Box: 50Text Box: 253)  cos B =   14/50 = 7/25                                                       4)  cos B =   7/25                                                                                                                    

Text Box: 7     sin B =    48/50 = 24/25                                                          sin B =    24/25

     tan B =   48/14 = 24/7                                                             tan B =   24/7

 

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Text Box: 30Text Box: 155)  cos C =   24/30 = 4/5                                                         6)  cos B =   9/15 = 3/5                                                                                                                      

Text Box: 18Text Box: 9     sin B =    24/30 = 4/5                                                              sin C =    9/15 = 3/5

     tan C =   18/24 = 3/4                                                               tan B =   12/9 = 4/3

 

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