For the given angle of rotation and coordinates of a point in the xy-coordinate system, find the coordinates of the point in the x'y'-coordinate system.? = 45°, (-7
, 7
)
A. (7, 0)
B. (14, 0)
C. (0, 7)
D. (0, 14)
Answer: D
Mathematics
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Establish the identity.1 + sec2x sin2x = sec2x
What will be an ideal response?
Mathematics
Round the following to the nearest ten, nearest hundred, and nearest thousand.2117
A.
| Ten | 2110 |
| Hundred | 2200 |
| Thousand | 3000 |
B.
| Ten | 2110 |
| Hundred | 2100 |
| Thousand | 2000 |
C.
| Ten | 2120 |
| Hundred | 2100 |
| Thousand | 2000 |
D.
| Ten | 2120 |
| Hundred | 2200 |
| Thousand | 2000 |
Mathematics
Find the exact value of the indicated trigonometric function of ?.tan ? = - 
, ? in quadrant IIFind cos ?.
A. - 
B. 
C. 
D. - 
Mathematics
Graph.y = x2 + 2x - 7
A. 
B. 
C. 
D. 
Mathematics