Sin3x Formula in Terms of Sinx, Cosx [With Proof]
Sin3x is the trigonometric sine function of a triple angle 3x. The formula of sin3x in terms of sinx is given by sin3x = 3sinx – 4sin3x. That is, the formula of sine 3x can be expressed as 3 sine x – 4 sine cube x. The sin3x identity in terms of sin x is … Read more