Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in standard position. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant IV. f(? + ?)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the expression.
A. -5 B. -5j C. 5 D. 5j
Mathematics
Find the coordinates of the vertices and foci of the ellipse.
+ 
= 1
A. V(0, -4), V(0, 4), F
, F
B. V(-4, 0), V(4, 0), F
, F
C. V(0, -4), V(0, 4), F
, F
D. V(-4, 0), V(4, 0), F
, F
Mathematics
Find the volume.Find the volume of a cone with height 2 centimeters and diameter 9 centimeters. Use 3.14 as an approximation for ?. Round to the nearest whole number.
A. 254 cm3 B. 170 cm3 C. 42 cm3 D. 38 cm3
Mathematics
For the functions f(x) and g(x), determine the domain of (f - g)(x) (the difference of f and g).f(x) = 
, g(x) = -3x3
A. {x ? x is a real number and x ? 6} B. {x ? x is a real number and x ? 0} C. {x ? x is a real number} D. {x ? x is a real number and x ? -6}
Mathematics