Solve the equation for all values 0 ? x ? 2?.sin 2x + sin x = 0
A. No solution
B. x = 
, 
C. x = 
, 
, 
, 
D. x = 0, 
, ?, 
, 2?
Answer: D
Mathematics
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Solve the problem.Find the point on the curve x = 4 sin t, y = cos t, - 
? t ? 
, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (4, 0)
B. 
C. 
D. (-4, 0)
Mathematics
Use the indicated formula to find the sum.Use S = 
to find the sum of 1 + 2 + 3 + . . . + 825.
A. 339,900 B. 339,076 C. 340,725 D. 340,312
Mathematics
Use differentiation to determine whether the integral formula is correct.
dx = -3 cot 
+ C
A. No B. Yes
Mathematics
Insert < or > to form a true sentence.
A. > B. <
Mathematics