Complete the sentence so the result is an identity. Let x be any real number.cos x = (cot x)( )
A. sec x
B. sin x
C. csc x
D. tan x
Answer: B
Mathematics
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Solve the equation.
+ 
= 
A. 192 B. 32 C. 48 D. 0
Mathematics
Solve the problem. Round to the nearest tenth, if necessaryThe part is 45 and the whole is 6. Find the percent.
A. 750% B. 13.3% C. 75% D. 375%
Mathematics
Find the first five terms of the sequence defined by the given general term.an = n2 - n
A. 1, 4, 9, 16, 25 B. 0, 2, 6, 12, 20 C. 2, 6, 12, 20, 30 D. 0, 3, 8, 15, 24
Mathematics
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 492 ohms B. 477.5 ohms C. 473 ohms D. 480 ohms
Mathematics