Page 1 - Home Assignment-Specific Angles Ch-8
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SAI International School
                                                      CLASS - X

               Mathematics
               CHAPTER-8: Introduction to Trigonometry

               HOME ASSIGNMENT- 2



               SUBTOPIC : Trigonometric Ratios of Specific Angles



                    1.  In the following figure,   ABC is a right angled at B
                       if   A = 30  and AB = 9 cm, find BC.
                                  o












                    2.  If            . Then, find the value of  .


                                                  o
                                 o
                                        o
                                                         o
               3. Evaluate sin60  cos45  + cos60  sin45 .
               4. Find the value of





               5. If sin (A + B) = 1 and cos (A - B) =    , then find A and B.


               Answers




                   1.



                   2.


                   3.

                   4.
                                          o
                              o
                   5.  A = 60 and B = 30 .

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