Verify the identity.
= cot y - cot x
What will be an ideal response?
= 
= 
- 
= 
- 
= cot y - cot x
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Solve the problem.In 1985, John invested $24,000 in the stock market. By 1990 his investment had grown to $28,500. If the market continues to grow approximately linearly, how much will be in his account in 1994? Give your answer to the nearest dollar.
A. $32,100 B. $33,000 C. $27,601 D. $28,501
Find the perimeter of the figure.
A. 98 m B. 103 m C. 116 m D. 88 m
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -2; r = -3
A. a5 = -162; an = -2 ? (-3)n B. a5 = -162; an = -2 ? (-3)n-1 C. a5 = 54; an = -2 ? (-3)n-1 D. a5 = 54; an = -2 ? (-3)n
Place the correct symbol, < or >, in the blank between the whole numbers.34 
0
A. > B. <