Subscribe to our Youtube Channel - https://you.tube/teachoo

Last updated at Aug. 7, 2017 by Teachoo

Transcript

Example 1 Convert 40 20 into radian measure. 40 20 = 40 + 20 = 40 + (20 )/60 = 40 + (1 )/3 = (120 + 1)/3 = (121 )/3 We know that Radian measure = /180 Degree measure = /(180 ) (121 )/3 = 121/540 radians

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 9 years. He provides courses for Maths and Science at Teachoo.