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1.
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DETERMINE THE QUADRANT IN WHICH  LIES:  AND  A. |  | B. |  | C. |  | D. |  | E. | THE ANGLE TERMINATES ON ONE OF THE
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2.
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3.
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IF POINT  LIES ON THE TERMINAL SIDE OF  , THEN THE
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4.
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FIND TWO VALUES FOR  WHERE  THAT WILL SATISFY THE EQUATION  (ROUND TO THE NEAREST DEGREE)
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5.
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THE HEIGHT OF A TREE CAN BE FOUND BY MEASURING THE LENGTH OF THE SHADOW OF THE
TREE AND THE ANGLE OF ELEVATION OF THE SUN FROM THE TIP OF THE SHADOW. FIND THE HEIGHT OF A
TREE THAT CASTS A  SHADOW WHEN THE ANGLE OF ELEVATION IS  .
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6.
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FIND THE REFERENCE ANGLE FOR 
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7.
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FIND THE EXACT VALUE FOR 
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8.
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9.
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A  EXTENSION LADDER LEANS AGAINST THE SIDE OF A
BUILDING. FIND THE DISTANCE THAT THE TOP OF THE LADDER REACHES UP ON THE SIDE OF THE BUILDING
IF THE ANGLE OF ELEVATION OF THE LADDER IS  .
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10.
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FIND THE EXACT VALUE FOR 
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11.
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FROM A POINT THAT IS  FEET FROM THE BASE OF A BUILDING, THE
ANGLE OF ELEVATION TO THE BASE OF AN ANTENNA ON THE EDGE OF THE ROOF IS  AND THE ANGLE OF
ELEVATION TO THE TOP OF THE ANTENNA IS  . FIND THE HEIGHT OF THE ANTENNA
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12.
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FIND THE REFERENCE ANGLE FOR 
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13.
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FIND TWO VALUES FOR  WHERE  THAT WILL SATISFY THE EQUATION  (ROUND TO FOUR DECIMAL PLACES)
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14.
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THE PILOT OF AN AIRPLANE FLYING AT AN ALTITUDE OF  FEET SIGHTS TWO SHIPS
TRAVELING IN THE SAME DIRECTION AS THE PLANE. THE ANGLE OF DEPRESSION TO THE FARTHER SHIP IS
 AND THE ANGLE OF DEPRESSION TO THE OTHER SHIP IS  . FIND THE
APPROXIMATE DISTANCE BETWEEN THE TWO SHIPS.
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15.
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