8-2  Trigonometric Ratios 
         8-2  Trigonometric Ratios 
                                                                     Warm Up 
                                                                     Lesson Presentation 
                                                                     Lesson Quiz 
    HoltHolt McDou Geomegal tryGe    ometry 
    Holt McDougal Geometry 
   8-2  Trigonometric Ratios 
      Warm Up 
      Write each fraction as a decimal 
      rounded to the nearest hundredth. 
       
      1.                                  2. 
               0.67                                 0.29 
       
      Solve each equation. 
      3.                                  4. 
                         x = 7.25                              x = 7.99 
                         
  Holt McDougal Geometry 
   8-2  Trigonometric Ratios 
                                Objectives 
     Find the sine, cosine, and tangent of an 
     acute angle. 
      
     Use trigonometric ratios to find side 
     lengths in right triangles and to solve 
     real-world problems.  
  Holt McDougal Geometry 
  8-2  Trigonometric Ratios 
                  Vocabulary 
   trigonometric ratio 
   sine 
   cosine 
   tangent 
    
 Holt McDougal Geometry