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FINDING
THE  SIN, COSINE, AND TANGENT #1-KEY
Directions: Find the sin, cosine, and tangent of the given angles below
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1)  cos C =  
12/13                                                                   2) 
cos C =   8/10 = 4/5                                                                                                                       
      sin
C =   5/12                                                                           sin C =  
6/10 = 3/5
tan C = 5/12 tan C = 6/8 = 3/4
 
   
 
   
   
   
   
   
   
   
   
   
   
   
  
   
 
   
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3)  cos C =  
24/25                                                                   4) 
cos C =   48/50 = 24/25                                                                                                                 
      sin
C =   7/25                                                                           sin
C =   14/50 = 7/25
tan C = 7/24 tan C = 14/48 = 7/24
 
   
 
   
   
   
   
   
   
   
   
   
   
   
  
   
 
   
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5)  cos C =  
24/26 = 12/13                                                     6)  cos C =  
12/15 = 4/5                                                                                                                     
sin C = 10/26 = 5/13 sin C = 9/15 = 3/5
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     tan C =  
10/24 = 5/12                                                             tan
C =   9/12 = 3/4
 
   
 
   
   
   
   
   
   
   
   
   
   
   
  
   
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