Simplify the trigonometric expression by following the indicated direction.Rewrite in terms of sine and cosine: tan x ? cot x
Fill in the blank(s) with the appropriate word(s).
Answer: 1
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Find the product.(11 cot2y - tan2y)2
A. 121 cot4y - 22 cot2y + tan4y B. 121 cot4y + tan4y C. 121 cot4y - 22 - tan4y D. 121 cot4y - 22 + tan4y
Solve the problem.Ultraviolet radiation from the sun is thought to be one factor causing skin cancer. The amount of UV radiation a person receives is a function of the thickness of the earth's ozone layer which depends on the latitude of the area where the person lives. The following data represent the latitudes and melanoma rates for nine randomly selected areas in the United States. The melanoma rates refer to a three-year period. 
Graph the data on a scattergram treating latitude as the independent variable. Find an equation of the line containing the points 
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Express the relationship using the function name f. Graph the line on the scattergram. Interpret the slope of the line. Use the line to predict the melanoma rate of an area with a latitude of 32.5 degrees north. 
What will be an ideal response?
Find the center of the hyperbola.7x2 - y2 - 84x + 6y + 68 = 0
A. (6, -2); B. (1, 3); C. (-6, -3) D. (6, 3)
Sketch the graph and show all extrema, inflection points, and asymptotes where applicable.f(x) = ex - 3e-x - 4x
A. Rel max: (0, -2), Rel min: (ln 3, 2 - 4 ln 3)
No inflection points
B. Rel max: (0, -2), Rel min: (ln 3, 2 - 4 ln 3)
Inflection point: 
C. Rel min: (2, -1)
No inflection points
D. Rel min: 
No inflection points