# Introduction to Trigonometry CBSE Class 10 | What is Trigonometry

CBSE Class 10 Maths – Introduction to Trigonometry – Trigonometry is the study of relationships between the sides and angles of a triangle. The word Trigonometry is composite of two words i.e. Trigon and Metry, where Trigon means polygon of three sides and Metry means measurement. So, Trigonometry deals with measurement of the triangle. In this video you will see that how important trigonometry is in our daily lives and why do we study it.

Trigonometry concepts covered in full chapter
What is Trigonometry / Importance of trigonometry
Trigonometry basics
Trigonometric ratios of 0 and 90 degree
Trigonometric ratios of 30 and 60 degree
Trigonometric ratio of 45 degree
Examples of Trigonometric ratios
Trigonometric ratios table
Trigonometry functions – sin cos tan
Trigonometric formula chart
Trigonometry angles
SOH CAH TOA
Trigonometric ratios of Complimentary angles
Examples of Complimentary Trigonometric ratios
Trigonometric Identities
Basic examples of Trigonometric Identities
Proving type examples of Trigonometric Identities

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