Solve.
+ 
= -1
A. 5
B. - 
C. 0
D. No solution
Answer: D
Mathematics
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Give the domain, range, or period, as requested.Period of y = 5 cot x
A. 5
B. 
C. 2?
D. ?
Mathematics
Find the foci of the ellipse.7x2 + 2y2 + 14x - 16y + 25 = 0
A. (-1 + 
, 4) , (-1 - 
, 4)
B. (-1, 4 + 
) , (-1, 4 - 
)
C. (1, -4 + 
) , (1, -4 - 
)
D. (-1, 4 + 
) , (-1, 4 - 
)
Mathematics
Find the least common multiple of the denominators of the fractions.
, 
A. 2520 B. 16,380 C. 10,920 D. 32,760
Mathematics