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Flash / Flex / ActionScript » Development » Math 
Math Class Trigonometry
 

Method Call      Returns 
Math.sin(a)      Sine of an angle measuring a radians
Math.cos(a)      Cosine of an angle measuring a radians
Math.tan(a)      Tangent of an angle measuring a radians
Math.asin(a)      Angle in radians whose sine is a (arcsine of a)
Math.acos(a)      Angle in radians whose cosine is a (arccosine of a)
Math.atan(a)      Angle in radians whose tangent is a (arctangent of a)
Math.atan2(y, x)      Angle which, drawn from the origin, intersects the point (x, y) (arctangent of y/x)

        
Related examples in the same category
1. Math Constants
2. Math Class Arithmetic
3. Math class includes the constant Math.PI for the number, ratio of a circle's circumference to its diameter.
4. Finding Absolute Values
5. Rounding and Truncating Numbers: round(), ceiling(), and floor()
6. The ceil() method returns the next-highest integer value of the number passed it as an argument.
7. The floor()returns the next-lowest integer.
8. Use round(), ceiling(), and floor() to round or truncate to decimal place values.
9. Generating Random Numbers: The random() returns a floating-point value between 0 and 0.999999, inclusive.
10. Generate a random number within a range that does not start with 0
11. Random integer values
12. If you are working with one six-sided die, you want to generate a random number between 1 and 6 each time
13. Finding the Greater or Lesser of Two Numbers
14. The calculation for finding compound interest: newValue = originalValue * (1 + rate/cp)^(cp*t)
15. package{
16. The exp() method requires one parameter: a number. It then raises e (Math.E) to the power of that number.
17. atan2(), takes two parameters (an X- and a Y-coordinate), and returns the angle formed by the right triangle measured in radians: Math.atan2(x, y)
18. Use Math.round( ) to round a number to the nearest integer
19. Use Math.floor( ) to round a number down
20. Use Math.ceil( ) to round a number up.
21. To round a number to the nearest decimal place:
22. Use the identical math to round a number to the nearest multiple of an integer.
23. All trig functions operate on radians, an angular unit in which radians measure a full revolution.
24. Generate random number in a range
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