Transcription of SOME A PPLICATIONS OF TRIGONOMETRY
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SOME A PPLICATIONS OF TRIGONOMETRY
SOME APPLICATIONS OF IntroductionIn the previous chapter, you have studied about trigonometric ratios. In this chapter,you will be studying about some ways in which TRIGONOMETRY is used in the life aroundyou. TRIGONOMETRY is one of the most ancient subjects studied by scholars all over theworld. As we have said in Chapter 8, TRIGONOMETRY was invented because its needarose in astronomy. Since then the astronomers have used it, for instance, to calculatedistances from the Earth to the planets and stars. TRIGONOMETRY is also used in geographyand in navigation. The knowledge of TRIGONOMETRY is used to construct maps, determinethe position of an island in relation to the longitudes and have used TRIGONOMETRY forcenturies. One such large surveying projectof the nineteenth century was the GreatTrigonometric Survey of British Indiafor which the two largest-ever theodoliteswere built. During the survey in 1852, thehighest mountain in the world wasdiscovered.
9.1 Introduction In the previous chapter, you have studied about trigonometric ratios. In this chapter, you will be studying about some ways in which trigonometry is used in the life around you. T rigonometry is one of the most ancient subjects studied by scholars all over the world. As we have said in Chapter 8, trigonometry was invented ...
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