문제

[익명(121.183)]

수학잘하시는 분?

(x^2+y^2)cos(radian(az)) = x

(x^2+y^2)sin(radian(az)) = y

(x^2+z^2)cos(radian(ay)) = x

(x^2+z^2)sin(radian(ay)) = z

(y^2+z^2)cos(radian(ax)) = y

(y^2+z^2)sin(radian(ax)) = z

x^2+y^2+z^2 = 1

x=? y=? z=?