Find the exact function value if it exists.sin (-630°)
A. 
B. 1
C. 0
D. Undefined
Answer: B
Mathematics
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List the numbers in the set that are natural numbers.
?
?
A.
B.
C.
D.
E.
Mathematics
Solve the problem.Obtain the first nonzero term of the Maclaurin series for sin-1 x - tan-1 x.
A. 
B. 
C. - 
D. 
Mathematics
Evaluate.
for x = -24 and y = -3
A. -8 B. 8 C. -21 D. 21
Mathematics
Simplify.
A. 
B. 5s + 4t
C. 
D. 4s + 5t
Mathematics