12 ³Ό³ρ
11^2+y^2=12^2+z^2
11^2+(y +z/cos³)^2=(12 +ztan³)^2
2yz/cos³+z^2/cos^2³=24ztan³+z^2/tan^2³
y=(cos³/2){24tan³+(1/tan^2³-1/cos^2³)z}
12cos³/tan³=A(cos³/2)(1/tan^2³-1/cos^2³)121+(h+kz)^2=144+z^2
(k^2-1)z^2+2hkz+h^2-23=0
z0=(-hk+γ{(hk)^2+23(k^2-1)})/(k^2-1)
y=γ(z0^2-23)
11^2+(y +z/cos³)^2=(12 +ztan³)^2
2yz/cos³+z^2/cos^2³=24ztan³+z^2/tan^2³
y=(cos³/2){24tan³+(1/tan^2³-1/cos^2³)z}
12cos³/tan³=A(cos³/2)(1/tan^2³-1/cos^2³)121+(h+kz)^2=144+z^2
(k^2-1)z^2+2hkz+h^2-23=0
z0=(-hk+γ{(hk)^2+23(k^2-1)})/(k^2-1)
y=γ(z0^2-23)