Find the exact value of the expression.cos(-1770°)
A. - 
B. - 
C. 
D. 
Answer: D
Mathematics
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Find the curvature of the space curve.r(t) = 12ti + 
j + 
k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Write < or > between the pair of numbers to make the statement true.0 ? -2
A. < B. >
Mathematics
Determine whether the sets are equal, equivalent, both, or neither.{4, 15} and {4, 1, 5}
A. Equivalent B. Neither C. Equal D. Both
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
- 
+ 
A. 8x
- 3
B. 9
- 
C. 9x
- 3
D. 9x
- 3
Mathematics