zahradawkins2007
22.07.2019 •
Mathematics
Which set of polar coordinates describes the same location as the rectangular coordinates (1,-1) a. (-1, 135 degrees) b. (sqrt 2, 315 degrees) c. (1, 45 degrees) d. (sqrt 2, 225 degrees)
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Ответ:
The polar coordinate is
B is correct
Step-by-step explanation:
Given:
Rectangular coordinates: (1,-1)
We need to change into polar coordinate.
Cartesian to polar change rule:
Cosine is negative and Sine is positive.
Thus, angle lie in IV quadrant.
Cartesian to polar
Hence, The polar coordinate is
Ответ:
108
Step-by-step explanation: