Find the value of all six trigonometric functions of ? if sin ? 
What will be an ideal response?
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Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 38°, find the length of OV accurate to four decimal places. 
A. 1.6243 B. 0.7880 C. 0.6157 D. 1.2690
Fill in the blank with <, >, or = to make a true comparison statement. 0.72 
A. > B. = C. <
Provide an appropriate response.The solution set of the system y1 = 2x + 3 and y2 = -x + 9 is {(2, 7)}. Using slopes and y-intercepts, determine which of the two calculator-generated screens, left or right, is the appropriate one for this system.
A. Left B. Right C. Neither is correct. D. Both could be correct.
Find the center, foci, and vertices of the ellipse.4x2 + 16y2 = 64
A. center at (0, 0)
foci at (-4, 0) and (4, 0)
vertices at (-16, 0), (16, 0)
B. center at (0, 0)
foci at (0, -2) and (0, 2)
vertices at (0, -4), (0, 4)
C. center at (0, 0)
foci at (0, - 2
) and (0, 2
)
vertices at (0, -4), (0, 4)
D. center at (0, 0)
foci at (- 2
, 0) and (2
, 0)
vertices at (-4, 0), (4, 0)