Franco and Marcia getting high speed Internet access at the same time. Francos provider charges $60 for installation and $42.95
per month. Marshals provider has free installation and charges $57.95 per month. After how many months will Franco and Marsha have paid the same amount for high-speed Internet service?
The tangent function gives the ratio of vertical to horizontal distance in this case. .. vertical distance = (horizontal distance)*tan(angle of depression) .. = (40 m)*tan(50°) .. vertical distance ≈ 47.7 m