Explore quality resources, practice material, notes and useful articles for your preparation.
A useful resource to begin exploring this category.
Practice with our SSC CGL Mock Test 2026 to improve speed, accuracy and exam preparation. Attempt online practice questions and check your performance.
Fresh resources from SSC.
Australian Open Winner 2020 In this article, we are enlisting the Australian Open winner 2020. This article will…
Brief Notes Types of Taxes for SSC, UPSC, Banking and other competitive Exams.
Check out these Biology MCQ. Biology Quiz Multiple Choice Questions & Answers for Different Competitive Exams with Explanations.
Keep exploring more content from this category.
Australian Open Winner 2020 In this article, we are enlisting the Australian Open winner 2020. This article will…
Brief Notes Types of Taxes for SSC, UPSC, Banking and other competitive Exams.
Check out these Biology MCQ. Biology Quiz Multiple Choice Questions & Answers for Different Competitive Exams with Explanations.
Important Synonyms of English For SSC CGL / CHSL/MTS Exam. Attempt these questions for the competitive exams and…
Important Jainism Study Notes For UPSC, SSC Exams. The 3 principles of Jainism are also known as Triratnas…
Here are the short notes of "Living Organism Classification" which will help you in your exams like SSC,…
Discover more subjects and resources across Toppers Portal.
Trigonometric Identities and Formulas
There are three systems of measuring Angles-
1. Circular System
Unit of Measurement is radian.
180 degree = π radians
2. Sexagesimal System (English System)
Right angle is divided into 90 equal parts called degree.
Unit of Measurement is degree.
3. Centesimal or French System
Right angle is divided into 100 equal parts.
A percent is derived from the Latin word ‘per centum’ which means ‘per hundred.
The percentage is a way of comparing quantities.
Percentages are basically numerators of fractions with denominator 100.
A percent is represented by the symbol – ‘%’.
Ex- 1% means 1 out of 100 or one-hundredths.
1% = 1/100 = 0.001
Interpreting Percentages
Ex- What do you mean by this statement. let say – “Raj saves 25% of his income.
Interpretation – It means 25 parts out of 100, or it means Raj is saving 25 rupees out of every 100 rupees that he earns.
Important Formula
% Change – (Increase or decrease)
℅change = (final value – Initial Value)*100/Initial Value
Important Mensuration Formula Mensuration is and important branch of mathematics. In this we basically calculate the perimeter, area, …
Important Concepts and Formulas. Average Formula, Definition-Number of quantities of the same kind is their sum divided by the number of the quantities.
40+ Important Algebraic Identities Formula for every Exam. Basic Important Algebraic Identities for class 8 Algebraic Identities class 9. All advanced Algebraic Identities for SSC CGL, SSC CHSL, Banking, CBSE Exams.
What are Latitude and Longitude? Definitions of Latitude Longitude The Grid Geography Notes for SSC, Banking Govt. Exam. Properties of Latitude Longitude.
Important Indian Freedom Struggle Movements Notes Here are some important Indian Freedom Struggle Movements that took place during …
Important Reasoning Notes on DICE Problems. These important notes will help in solving problems of Cubes and Dice based exams like SSC CGL, SSC CHSL