Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.tan 720°
A. 
B. 0
C. -1
D. undefined
Answer: B
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Find the volume generated by revolving the region bounded by the given curves about the y-axis. Use the method of disks.x = 
, x = 0, y = 1, y = 4
A. 45?
B. 
?
C. 
?
D. 27?
Identify the form of the integral as inverse sine, inverse tangent, logarithmic, or general power.
A. Inverse sine B. General power C. Inverse tangent D. Logarithmic
Use the fundamental identities to find the value of the trigonometric function.Find tan ?, given that cos ? = -0.25881905 and ? is in quadrant II.
A. -3.9910152 B. -3.7320507 C. 3.7320507 D. 3.9910152
Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has one gallon of paint and three rolls of border.The list gives the names of each decorator and the size of the room. 
Give the names of the decorators who will have both enough paint and enough border for their rooms. (Assume a ceiling height of 8' for each room.)
A. {Irina, Sun Woo} B. {Rosa, Manuel} C. {Mary, Sam} D. None