Evaluate the integral.
cos 4? d?
A. 
sin 4? - 
sin 2? - 
sin 6? + C
B. 
sin 4? - 
sin 6? - 
sin 2? + C
C. 
sin 2? - 
sin 4? - 
sin 6? + C
D. 
sin 4? - 
sin 2? - 
sin 6? + C
Answer: A
You might also like to view...
Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.To avoid working late, a quality control analyst simply inspects the first 100 items produced in a day.
A. Systematic B. Convenience C. Simple random D. Stratified
Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (8 - 2t)i + tj - 2tk , 0 ? t ? 1
A. - 19
B. 29
C. 
D. - 
Solve.Find the centroid of the region between the x-axis and the curve y = 6 csc2 x, 
? x ? 
.
A. 
= 
, 
= 4
B. 
= 
, 
= 8
C. 
= 
, 
= 9
D. 
= 
, 
= 6
Solve the problem. Approximate to the nearest tenth when necessary.The area of a square is 185 square meters. Find the length of a side of the square.
A. 19.2 m B. 46.3 m C. 13.6 m D. 92.5 m