Determine the specific solutions (if any) to the equation on the interval [0, 2?).2 cos2? + sin ? - 2 = 0
A. 0, ?, 
, 
B. 
, 
C. 
, 
D. 
, 
, 
, 
Answer: A
Mathematics
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Describe the domain of the function of three or more varables.f(x, y, z) = 
A. All points in ?3 that satisfy 6x2 + 8xy2 + 5z2 > 0. B. All points in ?3. C. All points in ?3 that satisfy 6x2 + 8xy2 + 5z2 ? 0. D. All points in ?3 except where x = 0, or y = 0, or z = 0.
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Find the remaining sides of a 45-45-90 triangle from the given information.The hypotenuse has length 6
.
A. 6; 6
B. 12; 12
C. 3; 3
D. 6; 6
Mathematics
Graph the function. Show at least one period.y = 
cot
A. 
B. 
C. 
D. 
Mathematics
Use a calculator or the square root table to approximate the square root to the nearest thousandth.- 
A. -2.454 B. -2.449 C. -6.000 D. -2.446
Mathematics