Скачать или смотреть Class 10th MATHS Trigonometry | Trigonometry | Chapter 8 | CBSE Trignometric Ratios

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Class 10th MATHS Trigonometry | Trigonometry | Chapter 8 | CBSE Trignometric Ratios
Trigonometry | Class 10 | Trigonometry | Chapter 8 | CBSE Trigonometric Identities

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Trigonometry | Class 10 | Introduction to Trigonometry | Chapter 8 | CBSE Trigonometric Identities/Concept/Explanation.

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In this video

✔️ Class: 10th
✔️ Subject: Math's
✔️ Chapter: Trigonometry (Chapter 8)
✔️ Topic Name: Class8 Math's Chapter 8 | trigonometry- Introduction
✔️ Topics to be Covered (By AJ SIR): Introduction of the chapter trigonometry have been

Introduction-
Relation between trigonometric ratios:
The ratios cosec A, sec A and cot A are the reciprocals of the ratios sin A, cos A and tan A respectively as given:
i. cos𝑒𝑐𝜃=1sin𝜃
ii. s𝑒𝑐𝜃=1cos𝜃
iii. tan𝜃=sin𝜃cos𝜃
iv. cot𝜃=1tan𝜃=cos𝜃sin𝜃
Introduction to Trigonometry
1. Meaning (Definition) of Trigonometry
The word trigonometry is derived from the Greek word's ‘tri’ meaning three, ‘gon’ meaning sides and ‘metron’ meaning measure.
Trigonometry is the study of relationships between the sides and the angles of the triangle.
2. Positive and negative angles Angle measured in anticlockwise direction is taken as positive angle whereas the angle measured in clockwise direction is taken as negative angle.
3. Trigonometric Ratios
Ratio of the sides of a right triangle with respect to the acute angles is called the trigonometric ratios of the angle.

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