genyjoannerubiera
05.05.2020 •
Mathematics
Which set of polar coordinates are represented on the following graph?
A. (4, 5pi/4)
B. (4, 3pi/4)
C. (4, pi/4)
D. (4, 7pi/4)
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Ответ:
Step-by-step explanation:
B. (4, 3pi/4)
Ответ:
Multiply the first, outside, inside, and last terms of the binomials.
Multiply a times a, a times -b, b times a, and b times -b.
This is the same as just squaring a and squaring b.
A shortcut is to add a squared and b squared.