RD Sharma Solutions Class 11 Trigonometric Ratios Of Compound Angles Exercise 7.1

RD Sharma Solutions Class 11 Chapter 7 Exercise 7.1

RD Sharma Class 11 Solutions Chapter 7 Ex 7.1 PDF Free Download

Exercise 7.1

Practise This Question

We need to store 1l of cold water in warm weather for as long as possible. In which of the following shapes should a flask be built for the task. Assume the thickness and material are same for all the shapes.