Problem2144--Trigonometric functions

2144: Trigonometric functions

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 100  Solved: 14
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Description

Use built-in function sin, given an angle, find the sine. Note: PI=3.1415926. The number are reserved to three digits after the decimal point

Input

Given a positive integer

Output

A floating point number represents sin (x)

Sample Input Copy 

30

Sample Output Copy 

0.500

Source/Category

180 
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