17 lines
380 B
C++
17 lines
380 B
C++
#include <stdio.h>
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#include <math.h>
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const double EPS = 10e-6;
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int main() {
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double a, b, r, x, y, A, k, c, d;
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while(scanf("%lf %lf %lf %lf", &x, &y, &A, &k) != EOF) {
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A = A * acos(-1)/180.0;
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a = 1.0 - k * cos(A);
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b = -k * sin(A);
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c = x * a + y * b;
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d = y * a - x * b;
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r = a * a + b * b;
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printf("(%.3lf,%.3lf)\n", c/r+EPS, d/r+EPS);
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}
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return 0;
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}
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