int fp_sin(int x)
{
    int result = 0;
    int x3 = 0;
    int x5 = 0;
    int x7 = 0;

    x3 = fp_mul(fp_mul(x, x), x);
    x5 = fp_mul(fp_mul(x, x), x3);
    x7 = fp_mul(fp_mul(x, x), x5);
    x3 = fp_div(x3, int_to_fp(6));
    x5 = fp_div(x5, int_to_fp(120));
    x7 = fp_div(x7, int_to_fp(5040));
    result = x - x3 - x5 -x7;
    return (result);
}

int fp_cos(int x)
{
    int result = 0;

    result = fp_sin(x + fp_div(FP_PI, int_to_fp(2)));

    return (result);
}