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NCERT Class 11 Maths Trigonometric Functions. Download NCERT Chapters and Books in pdf format. Easy to print and read. Copies of these textbooks may be downloaded and used as textbooks or for reference. Refer to other chapters and books at other links (NCERT now…

NCERT Class 11 Maths Trigonometric Functions Questions

3.1 Introduction The word ‘trigonometry’ is derived from the Greek words ‘trigon’ and ‘metron’ and it means ‘measuring the sides of a triangle’. The subject was originally developed to solve geometric problems involving triangles. It was studied by sea captains for…

NCERT Class 11 Maths Straight Lines

Geometry, as a logical system, is a means and even the most powerful means to make children feel the strength of the human spirit that is of their own spirit. – H. FREUDENTHAL 10.1 Introduction We are familiar with two-dimensional coordinate geometry from earlier…

NCERT Class 11 Maths Straight Lines Questions

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NCERT Class 11 Maths Statistics

15.1 Introduction We know that statistics deals with data collected for specific purposes. We can make decisions about the data by analysing and interpreting it. In earlier classes, we have studied methods of representing data graphically and in tabular form. This…

NCERT Class 11 Maths Statistics Questions

15.1 Overview In earlier classes, you have studied measures of central tendency such as mean, mode, median of ungrouped and grouped data. In addition to these measures, we often need to calculate a second type of measure called a measure of dispersion which measures…

NCERT Class 11 Maths Sets

vIn these days of conflict between ancient and modern studies; there must surely be something to be said for a study which did not begin with Pythagoras and will not end with Einstein; but is the oldest and the youngest. — G.H. HARDY v 1.1 Introduction The concept of…

NCERT Class 11 Maths Sets Questions

1.1 Overview This chapter deals with the concept of a set, operations on sets.Concept of sets will be useful in studying the relations and functions. 1.1.1 Set and their representations A set is a well-defined collection of objects. There are two methods of…

NCERT Class 11 Maths Sequences And Series

Natural numbers are the product of human spirit. – DEDEKIND v 9.1 Introduction In mathematics, the word, “sequence” is used in much the same way as it is in ordinary English. When we say that a collection of objects is listed in a sequence, we usually mean that the…