Find the phase shift.y = -4 cos
A. units to the left
B. 4? units to the right
C. units to the right
D. ? units to the left
Answer: D
Mathematics
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Solve the following equation for x.x - = 0
A. x = -
B. x = -
C. x =
D. x =
Mathematics
Divide and express the result in standard form.
A. -1 B. -i C. 1 D. i
Mathematics
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 quadrant II. The point
, on the circle
, also lies on the terminal side of an angle ? in quadrant III.f(2?)
A.
B.
C. -
D. -
Mathematics
Use summation notation to write the sum.
?
?
A.
B.
C.
D.
E.
Mathematics