Trigonometry is one of the subjects you encounter in high school math class and perhaps find it difficult to understand . This branch of mathematics about connections between the inner angles and edge lengths of right triangles may seem abstract to you . In the past , people used trigonometry to solve the problems they faced in navigation , cartography , and astronomy .
Trigonometry is one of the subjects you encounter in high school math class and perhaps find it difficult to understand . This branch of mathematics about connections between the inner angles and edge lengths of right triangles may seem abstract to you . In the past , people used trigonometry to solve the problems they faced in navigation , cartography , and astronomy . Today , trigonometry is one of the methods we use to solve the different problems we face in everyday life .
People have been observing the movements of the sun and other celestial bodies in the sky since ancient times . After centuries of observations , scientists who realized that the movements of celestial bodies ( for example , The Sun , The Moon , then-known planets , constellations and stars ) were repeating in a certain order created tables to predict the time of these astronomical events . For this purpose , they took advantage of the relationships between the edge lengths and internal angles of the triangles .
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