February 01, 2010
February 01, 2010
4.8 Solving Problems with Trig.
1. From a point 100 ft from its base, the angle of
elevation of the top of a building is 34. How tall is this
monument?
February 01, 2010
2. A ramp leading to a freeway overpass is 470ft
long and rises 32 ft What is the average angle of
inclination of the ram to the nearest tenth of a
degree?
February 01, 2010
3. From the top of a 120ft tall building a man observes a car
moving toward the building. If the angle of depression changes
from 25o to 45o during the period of observation, how far
does the car travel?
February 01, 2010
February 01, 2010
February 01, 2010
A U.S. Coast Guard patrol boat leaves port and averages 35
knots (nautical mph) traveling 2 hrs on a course of 55o and
then 3 hrs on a course of 145o. What is the boat's bearing
and distance from port?