Draw a picture to explain the difference between angle of depression and angle of elevation.
200
Is tangent an odd or even function? Write the even/odd identity for tangent.
200
Find the value of x for cscx=(2√3/3)
200
Graph y = 4cos(x/2) - 1
200
Find tan[arctan(-6)]
200
The angle of elevation from the base to the top of a waterslide is 13°. The slide extends horizontally 58.2 meters. Approximate the height of the slide.
300
If cos(-x)=-1/5, find sec(-x)
300
If cscx = -7/4 and lies in the III quadrant, find cosx
300
Find the asymptotes of y = -2tan(πx/4)
300
Find arcsin(sin3π)
300
You are standing 110 feet away from a school with a flagpole on top of the roof. The angle of elevation to the base of the flagpole is 63°, while the angle of elevation to the top of the flagpole is 66°. How tall is the flagpole?
400
If cscx=3 and secx=(3√2/4), find tanx
400
Find secx if tanx=-√20/4 and sinx < 0
400
Graph y = (1/4)cot(x+π)
400
TRUE or FALSE: arcsinx = 1/arccscx
400
A passenger in an airplane flying at an altitude of 10 kilometers sees two towns directly to the east of the plane. The angles of depression to the towns are 28° and 55°. How far apart are the towns?
500
If cosx = 7/9, find cos(π-x)
500
5x+2y=0 and lies in Quadrant IV, find cscx
500
Graph y = (1/2)sec(x/2 + π/2) +3
500
Find tan(arcos(x/5))
500
A plane is approaching your home and you assume its speed is 210 miles per hour. The angle of elevation to the plane is 18° at one time and 63° 1 minute later. Approximate the altitude of the plane.