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Language: Ray
Description There is a structure consisting of a to the normal. Write a program to compute the angle that the ray will have to the normal in the last slice.It is known that the formula N Input On the first line of the file is the number of slices α between the ray and the normal in the first slice. The angle is a real number in the range from 0 to π/2 and is given in radians.Output The first and only line of the file must contain the angle Sample Input 2 1 2 0.02 Sample Output 0.01 Source Northeastern Europe 2002, Western Subregion |

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