Verify the identity.
= 
What will be an ideal response?
= 
= 
= csc x +1 = 
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Use your calculator to solve the problem.The impedance (in ohms) of a series RLC circuit is given by the expression 
, where R is the resistance of the resistor, XL is the reactance of the coil, and XC is the reactance of the capacitor. What is the impedance of a circuit containing a 340 ohm resistor, a coil with a reactance of 2422 ohms, and a capacitor with a reactance of 896 ohms? (All values are approximate.)
A. 830 ohms B. 6.0 × 1012 ohms C. 2,400,000 ohms D. 1600 ohms
Solve the nonlinear system.xy = 1-6x - y = 5
A. no real solution
B. {(2, -2), (3, -3)}
C. 
D. 
Solve the problem.A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 4 feet longer than the length of a shelf. If 26 feet of lumber are available for the entire unit (including the shelves, but NOT the back of the bookcase), what values are possible for the length of a shelf?
A. length ? 3 feet B. length ? 4.5 feet C. length ? 11.0 feet D. length ? 3 feet
Provide an appropriate response.How could you solve the equation(9x + 2)(9x - 4)(2x - 6) = 0? How many equations do you need to solve? What are their solutions?
What will be an ideal response?