Detailed step by step solution for sin(-120 ) The value of sin 120 degree is 1.57. This means that if you were to draw a right triangle with a base of 120 degrees and a height of 1. Sin 120 degrees is the value of sine trigonometric function for an angle equal to 120 degrees. Understand methods to find the value of sin 120 degrees with examples and FAQs. Sin 120 value is √3/2 or 0.8660254. Sin 120 value can be calculated using the unit circle and various trigonometry angles such as 60°, 180°, and others.
