Chapter 9: Fundamentals of Trigonometry | Mathematics XI First Year Sindh Board

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This is the ninth Chapter of XI MATHEMATICS titled ‘Fundamentals of Trigonometry’. This Chapter is comprised of 3 Exercises. From this Chapter till Chapter 13, we will be Studying about Trigonometry. These Chapters are very important from the Exams point of view, as about 30 – 35% of the Paper comes from these Chapters. Here we be Studying about Triangle, its Properties and its real life Applications. It has the following salient features:

  • Coverage of all Exercise Questions in detail.
  • Providing topic wise assessments for Students, to have their real time evaluation, assignments for practicing the questions.
  • Exercise wise Past Papers, so that Students can easily classify the importance of each exercise.
  • Study Plan for the Students to set their targets on weekly basis.
  • Discussion forum for Student Queries.


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