Find important questions with answers for CBSE Class 11 Mathematics for session 2018 – 2019. These important questions for class XI Maths are value based questions and prepared by team of teachers and subject experts.

## Chapter-1 Sets

Sets and their representations. Empty set. Finite and Infinite sets. Equal sets. Subsets. Subsets of a set of real numbers especially intervals (with notations). Power set. Universal set. Venn diagrams. Union and Intersection of sets. Difference of sets. Complement of a set. Properties of Complement Sets. Practical Problems based on sets.

## Chapter-2 Relations and Functions

Ordered pairs, Cartesian product of sets. Number of elements in the cartesian product of two finite sets. Cartesian product of the sets of real (upto R x R). Definition of relation, pictorial diagrams, domain, co-domain and range of a relation. Function as a special kind of relation from one set to another. Pictorial representation of a function, domain, co-domain and range of a function. Real valued functions, domain and range of these functions: constant, identity, polynomial, rational, modulus, signum, exponential, logarithmic and greatest integer functions, with their graphs. Sum, difference, product and quotients of functions.

## Chapter-3 Trigonometric Functions

Positive and negative angles. Measuring angles in radians and in degrees and conversion of one into other. Definition of trigonometric functions with the help of unit circle. Truth of the sin^{2}x+cos^{2}x=1, for all x. Signs of trigonometric functions. Domain and range of trignometric functions and their graphs. Expressing sin (x±y) and cos (x±y) in terms of sinx, siny, cosx & cosy and their simple application. Deducing identities like the following:

tan(x ± y) | = | tanx ± tany | , cot(x ± y) | = | cotx coty ∓ 1 |

1∓tanx tany | cotx ± cotx |

sinα ± sinβ | = | 2sin | 1 | (α ± β)cos | 1 | (α ∓ β) |

2 | 2 |

cosα + cosβ | = | 2cos | 1 | (α + β)cos | 1 | (α − β) |

2 | 2 |

cosα − cosβ | = | −2sin | 1 | (α + β)sin | 1 | (α − β) |

2 | 2 |

Identities related to sin 2x, cos 2x, tan 2x, sin 3x, cos 3x and tan 3x. General solution of trigonometric equations of the type sin y = sin a, cos y = cos a and tan y = tan a.

## Chapter-4 Principle of Mathematical Induction

Process of the proof by induction, motivating the application of the method by looking at natural numbers as the least inductive subset of real numbers. The principle of mathematical induction and simple applications.

## Chapter-5 Complex Numbers and Quadratic Equations

Need for complex numbers, especially √1, to be motivated by inability to solve some of the quardratic equations. Algebraic properties of complex numbers. Argand plane and polar representation of complex numbers. Statement of Fundamental Theorem of Algebra, solution of quadratic equations in the complex number system. Square root of a complex number.

### Some Other Important Topics for Class 11-Mathematics

### CBSE Syllabus

Find latest CBSE syllabus for Class 11 Mathematics which contains the list of topics and subtopics to […]

### Revision Notes

Find Quick Revision notes for class 11 Mathematics created by a team of subject experts to help […]

### NCERT Solutions

Our teachers and course experts has created NCERT SOLUTIONS for CBSE Class 11 Mathematics in easy understandable […]

### CBSE Exemplar Solutions

Find here CBSE Exemplar Solutions for CBSE Class 11 Mathematics prepared for benefits of students to score […]

### Practice Questions

Here you can find chapter wise practice questions with answers for CBSE Class 11 Mathematics. Our subject […]

### Sample Papers

Find sample papers with solutions for CBSE Class 11 Mathematics for session 2018-2019. Sample papers for class […]

### Online Test Series

WebCoach team have prepared chapter wise online test series with solutions with subject eXIperts for CBSE Class […]

## Leave a Reply