My NCERT Guide

Trigonometric Ratios of Complementary Angles

Trigonometric Ratios of Complementary Angles In Mathematics, the complementary angles are the set of two angles such that their sum is equal to 90°. For example, 30° and 60° are complementa…

Trigonometric Ratios Of Standard Angles

Trigonometric Ratios Of Standard Angles Trigonometric ratios are Sine, Cosine, Tangent, Cotangent, Secant and Cosecant. The standard angles for these trigonometric ratios are 0 °, 30°, 45°,…