What is the formula of sin^3x?

By Shivank Goel|Updated : August 5th, 2022

In trigonometry, sine is defined as the ratio of opposite sides by the hypotenuse.

The value of sin3x can be found using the trigonometric identity

sin 3x = 3sin x - 4sin3x

By transposing the terms

4 sin3 x = 3sinx - sin 3x

Let us divide both sides of the equation by 4

sin3x = (3sinx - sin 3x)/4

Therefore, when asked What is the formula of sin3x? then the answer will be that the formula of sin3x is (3sinx - sin 3x)/4.

Summary:

What is the formula of sin3x?

The formula of sin3x is (3sinx - sin 3x)/4.

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