题目描述
For given two sides of a triangle a and b and the angle C between them, calculate the following properties:
- S: Area of the triangle
- L: The length of the circumference of the triangle
- h: The height of the triangle with side a as a bottom edge
Input
The length of a, the length of b and the angle C are given in integers.
Output
Print S, L and h in a line respectively. The output should not contain an absolute error greater than 10-4.
Example
Input
4 3 90
Output
6.00000000
12.00000000
3.00000000
输入格式
见题面
输出格式
见题面
样例输入
4 3 90
样例输出
6.00000000
12.00000000
3.00000000