Trigonometry, as the name might suggest, is all about triangles.

More specifically, trigonometry is about right-angled triangles, where one of the internal angles is 90°. Trigonometry is a system that helps us to work out missing sides or angles in a triangle.

Trigonometry, while may not form the part of syllabus for many competitive exams, it is an important part of SSC CGL exam. The aspirants would do well if they understand the concepts and topics of Trigonometry.

Relationship between Degree, Radian and Grade, Relation between Trigonometric Ratios, Basic Trigonometric Identity, Range of Trigonometric Ratios, Trigonometric Ratios of Multiples of an Angle, Sum and Differences Formulae, Sum and Difference into Product Formulae, Product into Sum and Difference Formulae are some of the concepts that we shall try to understand in this course.

The  course is divided into Lessons which provide the insight into the topic through Text, Examples and Video Lectures. Each Lesson is followed by a Quiz to test your understanding of the subject.


  1. Trigonometric Formulas

    Trigonometry Formulas are extremely handy to solve questions in trigonometry. Most of trigonometry formulas play around with trigonometric ratios.  Trigonometry Formulas are extremely essential when solving questions in trigonometry in competitive exams
  2. From outside, trigonometry may look lengthy, boring, difficult, tedious and frustrating. But it doesn’t change the fact that trigonometry as a topic important for SSC exams (CGL, FCI, CPIO etc.) and CDS exam (Combined defense services).

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