Mathematics Chapter 12: Application of Trigonometry – Class 11 Overview
Chapter 12, Application of Trigonometry, is a key topic in Class 11 Mathematics and is essential for students preparing for competitive entry tests like NUST, ECAT, UET, NTS, as well as FSC board exams. This chapter focuses on solving real-world problems using trigonometric principles, including heights and distances, angles of elevation and depression, and practical applications of sine and cosine rules. Understanding this chapter is crucial for developing problem-solving skills and applying mathematical concepts to practical scenarios.
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The point of intersection of the right bisectors of the sides of the triangle is :
A “Triangle” has :
To solve an oblique triangle we use:
When we look an object above the horizontal ray, the angle formed is called angle of:
When we look an object below the horizontal ray, the angle formed is called angle of:
(a) Elevation (b) ✔ depression (c) incidence (d) reflects
A triangle which is not right is called:
Which can be reduced to Pythagoras theorem,
To solve an oblique triangles when measure of three sides are given , we can use:
7. Which can be reduced to Pythagoras theorem,
When we look an object below the horizontal ray, the angle formed is called angle of:
To solve an oblique triangle we use:
A triangle which is not right is called:
When we look an object above the horizontal ray, the angle formed is called angle of:
The circle passing through the thee vertices of a triangle is called:
Importance of Application of Trigonometry for Entry Tests and Board Exams
Mastering this chapter improves analytical thinking, calculation accuracy, and logical reasoning. Students can efficiently solve word problems involving trigonometric concepts and apply formulas to real-life situations. Regular practice ensures confidence in attempting both entry test and FSC board exam questions involving applied trigonometry.
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PLS Academy provides chapter-wise study material for Application of Trigonometry with detailed explanations, solved examples, and exam-focused exercises. With structured guidance and chapter-wise practice, students can master all concepts, refine problem-solving techniques, and achieve top scores in both entry tests and FSC board exams.
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