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What is the formula of sin^3x?
By BYJU'S Exam Prep
Updated on: September 25th, 2023
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
Table of content
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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