====== Chapter 12: Application of Trigonometry ======
{{ :fsc:fsc_part_1_solutions:fsc-1-chap-12-ptb.jpg?nolink|Chapter 12: Application of Trigonometry}}
Notes (Solutions) of Chapter 12: Application of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore.
====Contents & summary====
  * Introduction
  * Tables of Trigonometric Ratios
    * Exercise 12.1
  * Solution of Right Triangles
    * Exercise 12.2
  * Heights and Distances
  * Engineering and Heights and Distances
    * Exercise 12.3
  * Oblique Triangles
    * The Law of Cosine
    * The Law of Sines
    * The Law of Tangents
    * Half Angle Formulas
  * Solution of Oblique Triangles
    * Case I : When measure of one side and two angles are given
    * Exercise 12.4
    * Case II : When measure of two sides and their included angle are given
    * Exercise 12.5
    * Case III : When measures of three sides are given
    * Exercise 12.6
  * Area of Triangle
    * Exercise 12.7
  * Circles Connected with Triangle
    * Circum-Circle
    * In-Circle
    * Escribed Circles
  * Engineering and Circles Connected with Triangles
    * Exercise 12.8

====List of formulas of Chapter 12====
  * **[[FSc:FSc Part 1 Solution & Area of Oblique Triangle|Solution & Area of Oblique Triangle]]**

====Solutions====
<callout type="success" icon="fa fa-download">
  * Chapter 12: Proofs of Formulas | {{ :fsc:fsc_part_1_solutions:ch12-formula-proofs-fsc-part1.pdf |Download PDF}} by Mirza Ahmad Younas NEW

  * Exercise 12.1 | [[vfsc1>ch12:view&cp=01&p=01&ch=12&fp=Ex-12-1-FSC-part1-ver1|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-1-fsc-part1-ver1.pdf |Download PDF}}

  * Exercise 12.2 | [[vfsc1>ch12:view&cp=01&p=02&ch=12&fp=Ex-12-2-FSC-part1-ver1|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-2-fsc-part1-ver1.pdf |Download PDF}}

  * Exercise 12.3 | [[vfsc1>ch12:view&cp=01&p=06&ch=12&fp=Ex-12-3-FSC-part1-ver1|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-3-fsc-part1-ver1.pdf |Download PDF}}

  * Exercise 12.4 | [[vfsc1>ch12:view&cp=01&p=02&ch=12&fp=Ex-12-4-FSC-part1-ver1|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-4-fsc-part1-ver1.pdf |Download PDF}}
  
  * Exercise 12.5 | [[vfsc1>ch12:view&cp=01&p=06&ch=12&fp=Ex-12-5-FSC-part1-ver3|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-5-fsc-part1-ver3.pdf |Download PDF}}
  
  * Exercise 12.6 | [[vfsc1>ch12:view&cp=01&p=04&ch=12&fp=Ex-12-6-FSC-part1-ver1|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-6-fsc-part1-ver1.pdf |Download PDF}}
  
  * Exercise 12.7 | [[vfsc1>ch12:view&cp=01&p=04&ch=12&fp=Ex-12-7-FSC-part1-ver1|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-7-fsc-part1-ver1.pdf |Download PDF}}

  * Exercise 12.8 | [[vfsc1>ch12:view&cp=01&p=10&ch=12&fp=Ex-12-8-FSC-part1-ver3|View Online]] | {{ :fsc:fsc_part_1_solutions:ex-12-8-fsc-part1-ver3.pdf |Download PDF}}
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====Short Questions====
The following short questions was send by Mr. [[people:akhtar]].
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  * Chapter 12 | [[aafsc1>short-question-ch12-fsc-part1-akhtar-abbas|View Online]] | {{:fsc:fsc_part_1_mcqs:short-question-ch12-fsc-part1-akhtar-abbas.pdf|Download PDF}}
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====For previous and next chapter====
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**[[:fsc:fsc part 1 solutions:ch11]]** UPD
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**[[:fsc:fsc part 1 solutions:ch13]]**
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