Simplify the expression.(1 + cot ?)(1 - cot ?) - csc2 ?
A. 2 cot2 ?
B. 0
C. -2 cot2 ?
D. 2
Answer: C
Mathematics
You might also like to view...
Solve the problem.Find the value of b for which 1 + eb + e2b + e3b + ... = 8.
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics
Provide an appropriate response.A point is 1 percent of the amount of the loan.
A. True B. False
Mathematics
Solve.In retailing, the retail price P of an item can be computed using the equation 
where C is the wholesale cost of the item and M is the amount of markup. A retailer sells a game for $36. If his wholesale cost for the game was $22, what was his markup?
A. $14 B. $13 C. $15 D. $58
Mathematics
Write the expression in the standard form a + bi.(-9 + i)(-9 - i)
A. 81 B. -9 C. -80 D. 82
Mathematics