Find all solutions of the equation. Express the solution in radians.tan x = 
A. 
+ n?
B. 
+ 2n? or 
+ 2n?
C. 
+ n?
D. 
+ 2n? or 
+ 2n?
Answer: A
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Find the average value of 
over the given region.
z2 over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 
D. 
Find an angle between 0° and 360° that is coterminal with the angle. Then write all coterminal angles.-37°
A. 37°; 37° + n ? 360°, n any integer B. 323°; 323° + n ? 360°, n any integer C. 233°; 233° + n ? 360°, n any integer D. 53°; 53° + n ? 360°, n any integer
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."x4 - 625
A. (x2 + 25)(x + 5)(x - 5) B. (x2 - 25)2 C. (x2 + 25)2 D. prime
You are holding one of the tethers attached to the top of a giant character balloon in a parade. Before the start of the parade the balloon is upright and the bottom is floating approximately 20 feet above ground level. You are standing approximately a = 130 feet ahead of the balloon (see figure).
?
?
Find an expression for the angle of elevation from you to the top of the balloon.
?
A. 
B. 
C. 
D. 
E. 