Verify the identity.
= cot y - tan x
What will be an ideal response?
= 
= 
- 
= 
- 
= cot y - tan x
Mathematics
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Solve the problem.The amount of taxes collected in one year is $16,550,290,797. Round this amount to the nearest hundred-thousand.
A. $16,550,290,000 B. $16,550,300,000 C. $16,550,290,800 D. $16,550,000,000
Mathematics
Solve the equation.
- 4 = 4
A. 8 B. 8, -8 C. 0, 0 D. -8
Mathematics
Find matrices A, X, and B such that the linear system is equivalent to the matrix equation AX = B.
A. A = 
, X = 
, B = 
B. A = 
, X = 
, B = 
C. A =
, X = 
, B = 
D. A = 
, X = 
, B = 
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics