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SAI International School
                                                       CLASS - X

               Mathematics
               CHAPTER-1: Introduction to Trigonometry

               Lesson Notes-2



               SUBTOPIC :TrigonometricRatios of Specific Angles


               Trigonometric Ratios of Some Specific Angles:



































                 Using quarter concept we can find the values of trigonometric ratios of these specific
                                                       angles easily.













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