Prove the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
cot 2 x + csc 2 x = csc 2 x - 1 + csc 2 x = 
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Provide an appropriate response.If 
= 1, find 
.
A. 1 B. 0 C. 2 D. Does not exist
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.4
? 4 ? 
A. 16
B. 8
C. 16
D. 6
Solve the problem.How many of the numerals 80, 81, . . . , 89 have vertical reflection symmetry? Consider the numeral 1 as a vertical segment ?.
A. 2 B. 0 C. 3 D. 1
Solve the problem.The polynomial 0.0033x3 + 0.0058x2 + 0.112x + 1.75 gives the approximate total earnings of a company, in millions of dollars, where x = 0 corresponds to 2008, x = 1 corresponds to 2009, and so on. This model is valid for the years from 2008 to 2012. Determine the earnings for 2009. Round to the nearest hundredth.
A. $1.75 million B. $1.87 million C. $2.02 million D. $1.86 million