F.Sc. Part-1 (1st Year) Math Chapter 9 Notes
FSc Part-1 (1st Year) Math Chapter 9 Notes are being uploaded here. These F.Sc. 11th class Math chapter no. 9: Fundamentals of Trigonometry notes are in accordance with the syllabus and paper pattern of Punjab Text Book Board Lahore. These notes are very useful for the students belong to the Sargodha board, Lahore Board, Sahiwal Board, Multan Board, Kashmir board, Rawalpindi board, Gujranwala board, and DG Khan board.

## 1st Year Maths Chapter 9 Notes | Unit 09:Fundamentals of Trigonometry

You can easily view or download these notes. If you want to view F.Sc. Part-1 Math chapter 9 notes online, there must be a PDF reader installed on your computer. These notes cover the following topics
• Introduction
• Units of Measures of Angles
• Sexagesimal System
• Conversion from ${D}^{\circ }{M}^{\prime }{S}^{″}$ to the decimal form and vice versa
• The relation between the length of an arc of a Circle and the Circular measure of its Central angle
• Conversion of Radian into Degree and vice versa
• General Angle (Coterminal Angle)
• The angle in the Standard Position
• Trigonometric Function
• Trigonometric Function of any Angle
• Fundamental Identities
• Signs of the Trigonometric Function
• The Values of Trigonometric Functions of acute angles ${45}^{\circ },{30}^{\circ },{60}^{\circ }$
• The Values of Trigonometric Functions of acute angles ${0}^{\circ },{90}^{\circ },{180}^{\circ },{270}^{\circ },{360}^{\circ }$
• Domains of Trigonometric Functions and of Fundamental Identities
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