...1±6 = tan ? (A + B). ' a— It tan £ (А— в) 9. What is the angle of depression of an object ? From the top of a hill the angles of depression of two consecutive muestones on a straight, level road, were found to be 12° 13' and 2° 45' : find the height...

...the tower to be 15° from S. How far is it from tower to steeple ? Given cot 75° = -26 nearly. 16. From the top of a hill the angles of depression of two consecutive milestones on a straight, level road, were found to be 12° 13' and 2° 45': find the height...

...and у respectively. Find the distance between the objects ; the height of the tower being h. 812. From the top of a hill the angles of depression of two objects in the plain at its base were observed to be 45° and 30°, and the horizontal angle between...

...bottom of the wall the flagstaff subtends an angle of 10°. Find the distance of E from the wall. (28) From the top of a hill the angles of depression of two consecutive mile-stones on a straight level road are found to bo 12°. 13' and 2°. 45'. Find the height...

...the secant in terms of the cotangent. Give the proper sign for an angle between 180° and 225°. 3. From the top of a hill the angles of depression of two consecutive milestones were observed to be 30° and 15°. What was the height of the hill ? 4. Name...

...its foot it will reach a window 21 feet high on the other side. Find the breadth of the street. 71. From the top of a hill the angles of depression of two successive milestones, on a straight level road leading to the hill, are observed to be 5° and 15°. Find the height of the...

...its foot it will reach a window 21 feet high on the other side. Find the. breadth of the street. 71. From the top of a hill the angles of depression of two successive milestones, on a straight level road leading to the hill, are observed to be 5° and 15°. Find the height of the...

...the elevation of the column, at the observer's station, is 45°. Find the height of the column. 62. From the top of a hill the angles of depression of two objects situated in the horizontal plane of the base of the hill are 45° and 30° ; and the horizontal...

...the elevation of the column, at the observer's station, is 45°. Find the height of the column. 62. From the top of a hill the angles of depression of two objects situated in the horizontal plane of the base of the hill are 45° and 30°; and the horizontal...

...the elevation of the column, at the observer's station, is 45°. Find the height of the column. 62. From the top of a hill the angles of depression of two objects situated in the horizontal plane of the base of the hill are 45° and 30° ; and the horizontal...