设四个倾斜角分别为θ,2θ,3θ,4θtan2θ=3/4tan2θ=2tanθ/[1-(tanθ)^2]解得tanθ=-3tan3θ=(tanθ+tan2θ)/(1-tanθtan2θ)解得tan3θ=-9/13tan4θ=2tan2θ/[1-(tan2θ)^2]解得tan4θ=24/5所以k1=-3,k2=3/4,k3=-9...