RD Sharma Solutions Class 11 Trigonometric Ratios Of Multiple And Sub Multiple Angles Exercise 9.1

RD Sharma Solutions Class 11 Chapter 9 Exercise 9.1

RD Sharma Class 11 Solutions Chapter 9 Ex 9.1 PDF Free Download

Exercise 9.1

Practise This Question

The circular wire of diameter 10cm is cut and placed along the circumference of a circle of diameter 1 metre. The angle subtended by the wire at the centre of the circle is equal to