Use the fundamental identities to simplify the expression.
?
cot ? sec ?
?
A. tan ?
B. ?sec ? cot ?
C. csc ?
D. cot ?
E. ?cos ?
Answer: C
Mathematics
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A. y-axis B. Origin C. x-axis, y-axis D. x-axis
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A. Function B. Not a function
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Write the mixed number as an improper fraction.2
A. 
B. 
C. 
D. 
Mathematics