CBSE Class 11-Mathematics: Mathematics Revision Sheet for Class 11 and Class 12 Physics (For CBSE, ICSE, IAS, NET, NRA 2022)

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Trigonometry Properties of trigonometric functions

1. Pythagorean identity

2. Periodic function

3. Even-Odd Identities

4. Quotient identities

5. Co-function identities

6. Sum difference formulas

7. Double angle formulas

8. Product to sum formulas

9. Power reducing formulas

10. Reciprocal identities

Binomial Theorem

From the binomial formula, if we let and , we can also obtain the binomial series which is valid for any real number n if .

Geometric Series

where q is not equal to 0, q is the common ratio and a is a scale factor. Formula for the sum of the first n numbers of geometric progression

Infinite geometric series where then , when n goes to infinity So the sum S of such infinite geometric progression is:

which is valid only for|x|

Arithmetic Progression The sum S of the first n values of a finite sequence is given by the formula:

Quadratic Formula then

Developed by: