Formulae for the trigonometric ratios of sum and differences of two angles

Trigonometrical Ratios or Functions

May 1, 2023

Trigonometrical Ratios or FunctionsIn the right angled triangle OMP, we have base = OM = x, perpendicular =PM = y and hypotenues = OP =r. We define the following trigonometric ratio which are also known as trigonometric function. (1) Relation between tr…