Find the exact value of the expression or state that it does not exist.sin-1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the equation by completing the square. m2 - 18m + 81 = 0
A. {-9} B. {9} C. {± 9} D. {18}
Mathematics
Evaluate the following expression. (x ? (?/8)n, where n is a whole number)
?
?
A. 3 (tan 4x - cot 4x) B. -4 (tan 4x - cot 4x) C. 3 (tan 4x + cot 4x) D. - (tan 4x - cot 4x) E. - (tan 4x + cot 4x)
Mathematics
Solve.If the sides of a square are increased by 2 meters, the area becomes 49 square meters. Find the length of a side of the original square.
A. 9 m B. 7 m C. 5 m D. 2 m
Mathematics
Solve the equation using the multiplication property of equality.
x = - 
A. 
B. 
C. 
D. 
Mathematics