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OpenStudy (anonymous):
Trig help .... The point F is (1/sqrt2, 1/sqrt2). By symmetry and reflection in the coordinate axes we obtain the coordinates of the points on the unit circle at angles of 3pi/4, 5pi/4 and 7pi/4
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OpenStudy (anonymous):
I do not understand how they "obtained" this.
OpenStudy (anonymous):
Maybe there is a video to explain this? idk
OpenStudy (anonymous):
I can draw a good picture for this.
OpenStudy (anonymous):
I'll take anything to help me understand this lol
OpenStudy (anonymous):
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