Complete the identity.
= ?
A. 1 + cot ? cot ?
B. 1 + cot ? tan ?
C. 1 + tan ? tan ?
D. tan ? tan ? + cot ?
Answer: C
Mathematics
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Provide an appropriate response. Millie went shopping and found a dress that had been marked down from $53.95 to $42.95 to $21.50 to $14.50. What percent of the original cost did she save?
A. 27% B. 50% C. 73% D. 129%
Mathematics
Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Mathematics
Construct the requested tree diagram.Clark is selecting new eyeglasses. He can choose styles A, B, or C in either the color black or orange. Construct a tree diagram that shows all possible choices that Clark can make.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 1
D. 
Mathematics