A ladder 20 ft long leans against the side of a house. Find the height from the top of the ladder to the ground if the angle of elevation is 80 degrees.
What is 19.70 feet
200
Find the supplement of pi/6
What is 5pi/6
200
sin -pi/2
What is -1
200
What is the period of y=2sec(1/2)x+3
What is 4pi
200
Arccos sqrt(2)/2
What is pi/4
200
A tree cast a shadow 21 meters long. The angle of elevation of the sun is 51 degrees. What is the height of the tree?
What is 25.93 meters
300
Convert 2pi/5 into degrees
What is 72 degrees
300
tan pi/6
What is sqrt(3)/3
300
What is the vertical shift in the equation y=-1tan(2x)-4
What is down 4
300
Arcsin(sin pi/6)
What is pi/6
300
A lighthouse operator 25 meters above sea level sights a sailboat at an angle of depression of 10 degrees. How far is the boat from the base of the lighthouse?
What is 141.78 meters
400
Convert -240 degrees into radian measure.
What is -4pi/3
400
csc 5pi/3
What is -2sqrt(3)/3
400
What are the vertical asymptotes for the equation y=tan (x-pi/2)
What is 0 and pi
400
tan(arctan -7)
What is -7
400
Find the altitude of the isosceles triangle given that the base angles are 18 degrees and the base is 10 inches.
What is 1.62 inches
500
Find one positive and one negative coterminal angle for 2pi/3
What is positive: 8pi/3
negative: -4pi/3
500
cot pi
What is undefined
500
What is the horizontal shift in the equation y=6csc(3x+pi/3)-2
What is left pi/9
500
tan(arccos 2/3)
What is sqrt(5)/2
500
Find the angle of elevation to the top of a flagpole if the flagpole is 40 feet tall and the shadow is 30 feet.