# Class 11 Ex 3.1 (Q3, Q4) Chapter 3 Trigonometric Functions NCERT Maths

**Question 3:** A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?

**Question 4:** Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm Use π=22/7

**Solution**

Class 9th Maths (All Chapters)