Choose the expression which is equivalent to the given expression.
A. tan 28°
B. tan2 7°
C. tan2 28°
D. tan 7°
Answer: A
Mathematics
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Find an antiderivative of the given function.4 cos 8x
A. - 32 sin 8x
B. sin 8x
C. 4 sin 8x
D. 
sin 8x
Mathematics
Find the standard form of the equation of the circle.Center at (-4, 2) and containing the point (3, 1)
A. (x + 4)2 + (y - 2)2 = 50
B. (x + 4)2 + (y - 2)2 = 5
C. (x - 4)2 + (y + 2)2 = 5
D. (x - 4)2 + (y + 2)2 = 50
Mathematics
Use the compound-interest formula to find the account balance with the given conditions: P = principal, r = interest rate, t = time, in years.P = $2146.27, t = 11, r = 7% compounded monthly
A. $4625.08 B. $4517.58 C. $4604.67 D. $4574.80
Mathematics
Sketch the graph the rational function, including all asymptotes.f(x) = 
A. 
B. 
C. 
D. 
Mathematics