Perform the indicated operation and write the answer in simplest form.Find the average of 
, 
, and 
.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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What fraction of a complete revolution is the following angle?
A. 
B. 
C. 
D. 
Mathematics
Find the zeros of the function in the interval [-2?, 2?].f(x) = 
cos 2x
A. ±
, ±
, ±
, ±
B. ±
, ±
C. 0, ±
, ±
D. ±?, ±3?
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Determine the position of the hand relative to the shoulder by considering the robotic arm illustrated in the figure. Round the answer to the nearest tenth.? = 62°, ? = 10° 
A. (13.8, 41.2°) B. (13.8, -41.2°) C. (13.8, -48.8°) D. (13.8, 48.8°)
Mathematics