Multiple choice technology programming languages

SELECT SIN(30 * 3.14159265359/180) FROM DUAL;

  1. 1

  2. 0.866

  3. 0.5

  4. 0
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C Correct answer
Explanation

SIN calculates the sine of an angle. The angle 30 degrees is converted to radians (30 × π/180). SIN(30°) = 0.5, which is a standard trigonometric value that should be memorized.

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