Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of ?, where 
. Then find sin ? and cos ?.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
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Solve the differential equation.cos x 
+ y sin x = sin x cos x
A. y = cos x ln 
+ C cos x
B. y = cos x ln 
+ C cos x
C. y = cot x + C cos x
D. y = sin x ln 
+ C sin x
Solve the problem.Suppose you deposited $5000 on January 1, 2014, in a savings account paying 5% annual interest, with interest credited to the account on December 31 of each year. On January 1, 2016, the annual interest rate changes to 4.25%. What will be the balance in your account on January 1, 2030?
A. $9469.73 B. $9872.19 C. $9903.42 D. $8713.35 E. none of these
Determine whether the two equations in the pair are equivalent.10x - 5 = 65 and 4x = 28
A. Not equivalent B. Equivalent
Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 