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Method 2. By using the value of cosine function relations, we can easily find the value of sin 120 degrees. Using the trigonometry formula, sin (90 + a) = cos a, we can find the sin 120 value. As given, sin (90° +30°) = cos 30°. It means that sin 120° = cos 30°. We know that the value of cos 30 degrees is √3/2.
Find out that sin (120°) = √3/2 exactly and see the sine function calculator, chart and examples. Learn how to use the calculator and the chart for any angle in degrees and radians.
Learn how to find the value of sin 120 degrees using unit circle, trigonometric functions, and identities. See examples of sin 120 degrees in different contexts and FAQs.
3 days ago · Learn how to find the value of sin 120 degrees using a unit circle, trigonometry identities and tables. See examples of sin 120 in different trigonometry ratios and applications.
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May 22, 2024 · The trigonometry formula, sin (90 + a) = cos a, can be applied to find the sin 120 value. As given, sin (90° +30°) = cos 30°. This means sin 120° = cos 30°. We also know that the value of cos 30 degrees is √3/2. Therefore, sin 120° = √3/2. Here, the values of other important trigonometric angles for different ratios are provided for ...
- The value of sin 120 degrees is √3/2.
- The sin 120-degrees value can be identified using either unit circle or with the help of other trigonometric angles such as 60, 180 degrees.
- By using the trigonometry formula, sin (90 + a) = cos a, we can find the sin 120 value. As given, sin (90° +30°) = cos 30°. Hence, sin 120° = cos 3...
Find the Exact Value sin(120) Step 1. Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Step 2. The exact value of is .
Wolfram|Alpha computes the sine of 120 degrees in exact and decimal forms, and provides a reference triangle, a number line, and a continued fraction. It also offers a natural language input and a keyboard for trigonometric arguments.
