Answer Happy

TRIGONOMETRY & PYTHAGORAS THEOREM ad) opp sin - cos ton hyp hyp opp adi Problem 1a 61 11 А sin(A) = 60 cos(A) = tan (A) = Problem 16 Anne sees a rocket at an angle of elevation of 11 degrees. If the rocket launch pad is 5 miles away from Anne, then how high is the rocket? EXCEPTION: Use MILES as Unit Problem 1c From the top of a fire tower, a forest ranger sees his partner on the ground at an angle of depression of 40°. If the tower is 25 m high, how far is the partner from the base of the tower, to the nearest tenth of a meter? Problem 10 Find the shadow cast by a 10 foot lamp post when the angle of elevation of the sun is 58°. Find the length to the nearest tenth of a foot.

Problem 1e A ladder leans against a brick wall. The foot of the ladder is 6 feet from the wall. The ladder reaches a height of 15 feet on the wall. Find to the nearest degree, the angle the ladder makes with the wall. Problem 1f A helicopter is hovering 800 feet above a road. A truck driver observes the helicopter at a twenty degree angle. Twenty five seconds later the truck driver notices the angle of the helicopter is now at sixty degrees. How fast is the truck moving? Round your answer to the nearest foot. Problem 19 A radio station tower was built in two sections. From a point 87 feet from the base of the tower, the angle of elevation of the top of the first section is 25°, and the angle of elevation of the top of the second section is 40°. To the nearest foot, what is the height of the top section of the tower?