Verify the identity.cot2 
= 
What will be an ideal response?
cot2 
= 
= 
= 
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 5sec2(t)i - 10tan(t)j + 4t2k
A. v
= 20i + 20j - 2?k
B. v
= -20j - 2?k
C. v
= -20j + 2?k
D. v
= 20i - 20j + 2?k
Find VC in a series RC circuit at t = 50æ sec when R = 10 Kê and C = 0.0015 æF and E = 10 V.
a. 3.9 V b. 7.1 V c. 9.6 V d. 9.9 V e. 10.0 V
Use the properties of exponents to simplify the expression. Write with positive exponents.64
1/3
A. 
B. 
C. 4a2b6
D. 
Find the system of equations to model the problem. DO NOT SOLVE THIS SYSTEM.There were 35,000 people at a ball game in Atlanta. The day's receipts were $290,000. How many people paid $14 for reserved seats and how many paid $6 for general admission? Let x represent the number of reserved seats and y represent the number of general admission seats.
A. 14x + 6y = 105 x + y = 35,000 B. 15,000x + 14y = 20,000 x + y = 6 C. 20,000x + 14y = 6 x + y = 15,000 D. 25,000x + 14y = 35,000 x + y = 290,000