Evaluate sin(20)

Problem

sin(20)

Solution

1. Identify the input as an angle in degrees. Since 20 is not a standard reference angle (like 30 45 or 60, its sine value is typically found using a calculator or a trigonometric table.

2. Approximate the value using the sine function. Ensure the calculation mode is set to degrees.

3. Calculate the numerical result to four decimal places.

Final Answer

sin(20)≈0.3420

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