Use the fundamental identities and appropriate algebraic operations to simplify the expression.
- tan x
A. tan x
B. csc x
C. tan2 x
D. cot x
Answer: D
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Find the measure of the indicated angle.?BGC
A. m?BGC = 103° B. m?BGC = 36° C. m?BGC = 54° D. m?BGC = 23°
Determine whether the argument is valid or invalid.Michael Bolton is a hunk or Madonna cannot sing. If Madonna cannot sing, then Cigar does not win the Triple Crown. Cigar wins the Triple Crown. Therefore, Michael Bolton is not a hunk.
A. Valid B. Invalid
Solve the given equation for x.y = 4 cot 
A. x = 
cot-1 4y
B. x = 2 cot-1 
C. x = 
cot-1 
D. x = 2 cot-1 4y
Solve the problem.The median household income of single mothers is shown in the bar graph. Use the information given for the years 1995 and 2000, letting x = 5 represent 1995, x = 10 represent 2000, and y represent the median income, to write an equation in slope-intercept form that models the data.
A. y = 1555.4x + 30,502 B. y = 1555.4x + 22,725 C. y = -1555.4x + 14,948 D. y = 1555.4x + 14,948