For triangle Δ ABC

Sine Law is

Here

- A, B, C are vertices of Δ ABC
- a is side opposite to A i.e. BC
- b is side opposite to B i.e. AC
- c is side opposite to C i.e. AB

Let’s look at its proof

Last updated at July 12, 2018 by Teachoo

For triangle Δ ABC

Sine Law is

Here

- A, B, C are vertices of Δ ABC
- a is side opposite to A i.e. BC
- b is side opposite to B i.e. AC
- c is side opposite to C i.e. AB

Let’s look at its proof

Transcript

For triangle ABC Sine Law is Here A, B, C are vertices of ABC a is side opposite to A i.e. BC b is side opposite to B i.e. AC c is side opposite to C i.e. AB Let s look at its proof

Sine and Cosine Formula

Chapter 3 Class 11 Trigonometric Functions

Concept wise

- Radian measure - Conversion
- Arc length
- Finding Value of trignometric functions, given other functions
- Finding Value of trignometric functions, given angle
- (x + y) formula
- 2x 3x formula - Proving
- 2x 3x formula - Finding value
- cos x + cos y formula
- 2 sin x sin y formula
- Finding Principal solutions
- Finding General Solutions
- Sine and Cosine Formula

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.