Give the exact value of the expression.sin (arctan 2)
A. 
B. 2
C. 5
D. 
Answer: A
Mathematics
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Solve the problem.In a regular polygon with n sides, if the distance from the center to the midpoint of a side is R and ? is the central angle subtended by one side, then the length of a side x is given by 
Solve for ?.
A. ? = cot-1 
B. ? = 2 tan-1 
C. ? = tan-1 
D. ? = 2 cot-1 
Mathematics
Complete numerical representations for the functions f and g are given. Evaluate the expression, if possible.(f-1?g)(5)
A. Undefined B. 11 C. 6 D. 0
Mathematics
Perform the operation indicated.
÷ 
A. 
B. 
C. 12
D. 
Mathematics
Solve the equation by multiplying both sides by the LCD.
= 
A. 
B. 
C. 
D. 
Mathematics