# Ruchika Ma'am|Class X|Ch-9-Applications of trigonometry-Lec:1|Exe: 9.1- Q2,3,4,5| #TheSLedueLearning

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Published at : 14 Jan 2021
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We at SLedu Classes strongly believe that a spirit of learning and understanding can only be inculcated when the student is curious, and that curiosity can be brought about by creative and effective teaching. It is this approach that makes our lectures so successful and gives our students an edge over their counterparts.

Trigonometry can be defined as calculations with triangles involved with the study of lengths, heights, and angles. Trigonometry and its functions have an enormous number of uses in our daily life. For instance, it is used in geography to measure the distance between landmarks, in astronomy to measure the distance of nearby stars and also in the satellite navigation system.

Before going into the detailed explanation of trigonometry applications, let’s start with the introduction of trigonometry and its functions.

What is Trigonometry?
Trigonometry is a study of the relationship of angles, lengths, and heights. It has emerged in the third century BC involving applications from astronomy to geometric studies. Now it has spread its applications into wider fields like engineering, physics, surveying, architecture, astronomy and even in the investigation of a crime scene.

Apart from astronomy and geography, trigonometry is applicable in various fields like satellite navigation, developing computer music, chemistry number theory, medical imaging, electronics, electrical engineering, civil engineering, architecture, mechanical engineering, oceanography, seismology, phonetics, image compression and game development.

Trigonometry Applications in Real Life
It may not have direct applications in solving practical issues but used in the various field. For example, trigonometry is used in developing computer music: as you are familiar that sound travels in the form of waves and this wave pattern through a sine or cosine function for developing computer music. Here are a few applications where trigonometry and its functions are applicable.

Trigonometry to Measure Height of a Building or a Mountain
Trigonometry is used to in measuring the height of a building or a mountain. The distance of a building from the viewpoint and the elevation angle can easily determine the height of a building using the trigonometric functions.

In this video, we will learn:

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Thanks for watching: Ruchika Ma'am | Class X|Ch-9-Applications of trigonometry-Lec:1|Exe: 9.1- Q2,3,4,5| #TheSLedueLearning