Trigonometric Ratios and Identities

This topic covers concepts such as Trigonometry, Angle, Quadrantal Angles, Systems for Measurement of Angles, Sexagesimal System for Measurement of Angles, and Centesimal System for Measurement of Angles.

This topic covers concepts such as Trigonometric Functions, Trigonometric Functions for Angle θ ∈ R, Sign of the Trigonometric Functions in Different Quadrants, Domain, Range and Graph of Trigonometric Functions.

This topic covers concepts such as Pythagorean Identities for Trigonometric Functions, Trigonometric Identities, Trigonometric Identities for Compound Angles, Expansion of sin(A$\pm$B), Expansion of cos(A$\pm$B), and Expansion of tan(A$\pm$B).

This topic covers concepts such as Trigonometric Identities and Inequalities Based on Triangles, Conditional Identities Based on Triangles, and Trigonometric Inequalities Based on Triangle.

This topic covers concepts such as Trigonometric Series and Products, Trigonometric Series when Angles are in AP, Trigonometric Products when Angles are in GP, and Application of Complex Number in Summation of Trigonometric Series.

This topic covers concepts such as Range of Trigonometric Expressions, Greatest and Least Value of Asinx + Bcosx, and Range of Trigonometric Function Using Perfect Square Method.