Factor the trigonometric expression.cot2 x - csc2x
A. (cot x - csc x)2
B. (cot x - csc x)(cot x + csc x)
C. (cot2 x - 1)(csc2x + 1)
D. (cot x - 1)(cot x + csc2x)
Answer: B
You might also like to view...
Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. Function is its own inverse.
B. 
C. 
D. 
Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
Find the derivative.y = - 6x6
A. - 36x6 B. - 6x5 C. - 36x7 D. - 36x5
Estimate the value of the quantity.The table gives dye concentrations for a cardiac-output determination. The amount of dye injected was 
Plot the data and connect the data points with a smooth curve. Find the area under the curve using rectangles. Use this area to estimate the cardiac output.
Dye concentration (mg/L)
Time (sec)
A. 18.9 L/min B. 9.4 L/min C. 381.6 L/min D. 0.2 L/min