Use a graphing calculator to determine which expression completes the identity.The expression 
? csc x is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. sec x + cos x
B. csc x - tan x
C. cos x - 1
D. tan2x
Answer: B
Mathematics
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Provide an appropriate response.If a ? b, is it always true that a2 ? b2? Explain.
What will be an ideal response?
Mathematics
Find the slope of the line containing the given points.
, 
A. 2 B. not defined C. -1 D. -2
Mathematics
State the number of significant digits and the implied precision of the given number.6.700 × 108
A. 2 significant digits, precise to the nearest 100,000 B. 4 significant digits, precise to the nearest 100,000 C. 9 significant digits, precise to the nearest unit D. 4 significant digits, precise to the nearest thousandth
Mathematics
Solve the problem.f varies jointly as q2 and h, and f = -54 when q = 3 and h = 2. Find f when q = 2 and h = 5.
A. f = -30 B. f = -15 C. f = -60 D. f = -12
Mathematics