Establish 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 = 2 csc 2 x - 1.
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Find a linear model for the following data table. Round your answer to two decimal places, if necessary. x 3 5 7 9 y 26 22 18 14?
A. 
B. ?
C. ?
D. ?
Use an annual percentage rate table to solve the problem.In order to purchase a residential homesite, a man borrows $45,000 from his father. The son pays his father back by making 60 monthly payments of $891.08. Determine the APR of the loan to the nearest 
of a percent.
A. 9.0% B. 7.5% C. 8.5% D. 7.0%
Evaluate the double integral over the given region.
R = {(x, y): 0 ? x ? ?, 0 ? y ? 1}
A. ?
B. 3?
C. 
D. 3? - 3
Determine whether the relation defines y as a function of x. Give the domain.y = - 
A. Not a function; domain (-?, 0) ? (0, ?) B. Function; domain (-?, 0) ? (0, ?) C. Not a function; domain (-?, 9) ? (9, ?) D. Function; domain: (-?, ?)