Assume that 0 < ? < ?/2. Find an expression for the indicated trigonometric function.Let x = 3 sin ? in 
. Find tan ?.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the vertices and foci of the ellipse.9x2 + 64y2 = 576
A. Vertices: (±3, 0); Foci: (±
, 0)
B. Vertices: (±8, 0); Foci: (±
, 0)
C. Vertices: (0, ±8); Foci (0, ±
)
D. Vertices: (0, ±3); Foci (0, ±
)
Mathematics
If f satisfies the equation of change 
, and the initial value of f is 5, find a formula for the function 
.
?
A. 
B. 
C. 
D. 
Mathematics
Write the first four elements of the sequence.
A. -1, 1, 
, 
B. 0, 
, 
, 
C. 
, 
, 
, 
D. 1, 
, 
, 
Mathematics
Decide whether the expression is or is not an identity.csc2 
= csc2 x + cot x csc x
A. Not an identity B. Identity
Mathematics