Complete the identity.tan ? + cot ? = ?

A.
B.
C.
D.


Answer: C

Mathematics

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Change 0.44 to a percent. 

A. 0.0044% B. 0.044% C. 4.4% D. 44% E. none of these

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

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A.
B.  
C.
D.

Mathematics

Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 + 4x - 12y + 4 = 0

A. (x + 2)2 + (y - 6)2 = 36 center (-2, 6), r = 36 B. (x - 6)2 + (y + 2)2 = 36 center (6, -2), r = 6 C. (x + 2)2 + (y - 6)2 = 36 center (-2, 6), r = 6 D. (x - 2)2 + (y + 6)2 = 36 center (2, -6), r = 6

Mathematics

Graph the inequality.x - 3y < 0 

A.

B.

C.

D.

Mathematics