Introduction to Trigonometry is a chapter from 10th grade NCERT Mathematics textbook. Trigonometry is the study of relationships between the sides and angles of a triangle. The word is derived from the Greek words ‘tri’ (three), ‘gon’ (sides) and ‘metron’ (measure). In this presentation, the following topics are covered: ➢ Trigonometric ratios ➢ Trigonometric ratios of specific angles ➢ Trigonometric ratios of complementary angles ➢ Trigonometric identities Download this PPT to sail through all of these topics and speed up your exam preparations.

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