APPLICATION
OF TRIGONOMETRY – PART – 03
PROBLEM
– 05
The angle of elevation of the top a tower at a
distance of 150 m from its foot on a horizontal plane is found to be 60
degrees. Find the height of the tower.
PROBLEM
– 06
A guard observes an enemy boat, from an
observation tower at a height of 150 m above sea level, to at an angle of
depression of 30 degrees.
(i) calculate to the nearest metre, the
distance of the boat from the foot of the observation tower.
(ii) After some time, it is observed that the
boat is 200 m from the boat of the observation tower. Calculate the new angle
of depression.
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