Complete the identity.
sec ? csc ? = ?
A. 
B. 
C. csc (2?)
D. sec (2?)
Answer: C
Mathematics
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Find an expression equivalent to the given expression.
cosh (x - 10)
A. 10 sinh x B. x sinh (x - 10) C. sinh (x - 10) D. -cosh (10 - x)
Mathematics
Find the fundamental matrix F for the absorbing Markov chain with the given matrix.
A. 
B. 
C. 
D. 
Mathematics
Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
(x) = sec2 x + 9csc2 x; (0, ? 2)
Mathematics
Find the product of the following real numbers.
A. - 
B. 
C. 
D. - 
Mathematics