Complete the identity.
+ 
= ?
A. -2 tan2 x
B. sin x tan x
C. 1 + cot x
D. sec x csc x
Answer: D
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Establish the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No
Choose a variable to represent one quantity. State what that quantity represents and then express the second quantity in terms of the first.Ed has $2.66 less than 5 times the amount Israel has.
A. Israel's amount: 5x - 2.66; Ed's amount: x B. Israel's amount: x; Ed's amount: 2.66 - 5x C. Israel's amount: 2.66 - 5x; Ed's amount: x D. Israel's amount: x; Ed's amount: 5x - 2.66
Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = i + 
j, w = i - 2j
A. parallel B. orthogonal C. neither