Identify the equation as either an identity or not.
= 2 sin 2x
A. Not an identity
B. Identity
Answer: A
Mathematics
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Evaluate the integral.
A. 
sin-1 
+ C
B. sin-1 
+ C
C. tan-1 
+ C
D. 
tan-1 
+ C
Mathematics
Solve the problem.On a circle of radius 18 meters, how long is an arc that subtends a central angle of 45°?
A. 
m
B. 810 m
C. 810? m
D. 
m
Mathematics
Convert the units using unit fractions.18 c = 
pt
A. 36 B. 144 C. 9 D. 72
Mathematics
Find the area.
a = 3.9 ft, b = 10.8 ft
A. 42.12 ft2 B. 14.7 ft2 C. 84.24 ft2 D. 15.6 ft2
Mathematics