Trigonometric Ratios and Identities is a class 11th topic, it is one of the essential topics required in JEE Mains and Advanced / BITSAT preparations. Compare to other topics this chapter can be easily embedded into questions of another topic. We can expect at least 1 question directly / indirectly from this topic.
Therefore, to help JEE aspirants in revision, we are providing Revision Notes on Trigonometric Ratios and Identities.
Also, Trigonometric Ratios and Identities Previous Year JEE Mains Question are available here.
1. System of Measurement of Angles
(a) English System | Sexagesimal System | Degree System
(b) French System | Centesimal System | Grade System
(c) Radian System | Circular System
2. Relation b/w System of Measurement of Angles
3. Trigonometric Ratios for Acute Angles
4. Trigonometric Ratios Table
5. Reciprocal Trigonometric Identities
6. Fundamental Trigonometric Identities
Important Results:
7. Sign of Trigonometric Ratios in Different Quadrants
Rule: A S T C (Trick: After School To College)
8. Trigonometric Ratios of Allied Angles
9. Trigonometric Ratios of Compound Angles
Important Results:
10. Transformation Formula
11. C and D Formula
12. Trigonometric Ratios of Multiple Angles
Important Results:
13. Sine, Cosine, and Tangent of some angle less than 90⁰
14. Graphs of Trigonometric Functions
15. Domain, Range, and Period of Trigonometric Functions
16. Maximum and Minimum values of Trigonometric Functions
17. Trigonometric Series
18. Some Important Results
19. Trigonometric Ratio of Triple Angle (For JEE Advanced Students Only)
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