CBSE Class 11 Maths Trigonometric Functions

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CBSE Class 11 Maths Straight Line

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CBSE Class 11 Maths Sequence and Series

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CBSE Class 11 Maths Limit and Derivatives

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CBSE Class 11 Maths Complex Numbers

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NCERT Solutions Class 11 Mathematics Chapter 15 Statistics

Exercise 15.1 Question. Find the mean deviation about the mean for the data 4, 7, 8, 9, 10, 12, 13, 17 Answer : The given data is 4, 7, 8, 9, 10, 12, 13, 17 Mean of the data,  Question. Find the mean deviation about the mean for the data 38, 70, 48, 40, 42, 55, 63, 46…

NCERT Solutions Class 11 Mathematics Chapter 9 Sequences and Series

Exercise 9.1 1. Write the first five terms of each of the sequence defined by the following: an = n (n + 2) Answer : an = n (n + 2) For n = 1, a1 = 1(1 + 2) = 3 For n = 2, a2 = 2(2 + 2) = 8 For n = 3, a3 = 3(3 + 2) = 15 For n = 4, a4 = 4(4 + 2…

NCERT Solutions Class 11 Mathematics Chapter 10 Straight Lines

Exercise 10.1 Question. Draw a quadrilateral in the Cartesian plane, whose vertices are (–4, 5), (0, 7), (5, –5) and (–4, –2). Also, find its area. Answer : Let ABCD be the given quadrilateral with vertices A (–4, 5), B (0, 7), C (5, –5), and D (–4, –2). Then, by plotting A,…

NCERT Solutions Class 11 Mathematics Chapter 16 Probability

1. Describe the sample space for the indicated experiment: A coin is tossed three times. Answer : A coin has two faces: head (H) and tail (T). When a coin is tossed three times, the total number of possible outcomes is 23 = 8 Thus, when a coin is tossed three times, the…

NCERT Solutions Class 11 Mathematics Chapter 11 Conic Sections

Exercise 11.1   1.  Find the equation of the circle with centre (0, 2) and radius 2. Solution The equation of a circle with centre (h, k) and radius r is given as (x­ – h)2 + (y ­– k)2 = r2 It is given that centre (…

NCERT Solutions Class 11 Mathematics Chapter 12 Introduction to Three Dimensional Geometry

Exercise 12.1 Question 1: A point is on the x-axis. What are its y-coordinates and z-coordinates? Answer :  If a point is on the x-axis, then its y-coordinates and z-coordinates are zero.   Question 2: A point is in the XZ-plane. What can you say…

NCERT Class 11 Maths Trigonometric Functions

  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…