Answer:
If A be a given angle then 2A, 3A, 4A, etc., are called multiple angles. Here we will derive the formulae for multiples of angles or numbers.
The following are the sub-topics which deals with the trigonometrical ratio of multiple angels such as trigonometric functions of 2A in terms of A, trigonometric ratios of 2A in terms of tan A and trigonometric ratios of angle 3A in terms of an angle A.
● Multiple Angles
sin 2A in Terms of A
cos 2A in Terms of A
tan 2A in Terms of A
sin 2A in Terms of tan A
cos 2A in Terms of tan A
Trigonometric Functions of A in Terms of cos 2A
sin 3A in Terms of A
cos 3A in Terms of A
tan 3A in Terms of A
Multiple Angle Formulae