Trigonometry Self Quiz
1. Find exactly:
a. 
b. tan
c. cos
d. 
2. If 
and 
, where 
is an angle in standard position:
a. In what quadrant is 
located?
b. Use reference triangles to find 
.
c. Compute 
.
3. Consider the following statement: “For some real angle 
, 
.” Is this
possible? Explain why or why not.
4. Give at least two definitions of 
, where 
is a real number.
5. Compute the volume and surface area of a sphere of radius 5.
6. Is the point 
on the graph of 
some real number k? If it is, give a possible value for k; if not, explain why.
7. Given the right triangle below, find
a. sin (A)
b. cos(B)
c. csc(A)
d. tan(A)
8. Suppose the angle of elevation of the sun is 26.4°. Find the length of the shadow cast by a 16-foot flagpole.