
Trigonometry is the study of triangles, with trigon meaning triangle and metry meaning measurement. When taking any national-level competitive exam, trigonometry is an important part of the Quantitative Aptitude section. Trigonometry Formulas: Trigonometry formulas are one of the most significant topics to study in Class 9, 10, 11, and 12.

Sum and Difference Trigonometric Identities.Double Angle and Half Angle Trigonometric Identities.Trigonometric Formulas for Complementary and Supplementary Angle.All Trigonometry Formulas List for Class 10, 11.Trigonometric Formula Ratios In Other Words.Trigonometry Formulas for Class 10, 11, 12.

