Evaluate sin(4)

Problem

sin(4)

Solution

1. Identify the input value for the sine function. The value is 4 radians.

2. Determine the quadrant of the angle. Since π≈3.14 and 1.5*π≈4.71 the angle 4 lies in the third quadrant.

3. Calculate the numerical value using a calculator or trigonometric tables. The sine of 4 radians is approximately −0.7568

Final Answer

sin(4)≈−0.7568

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