Mathematics
Senior High
Resolved
cosーπ/3ってどこですか?
(cos, sin)
S
A
Unit Circle
sIn
tan =
Quadrant II:
COS
Quadrant I:
15
2'2
1 3
2π
2
3
3
2
90°
60°
3π
120°
135°
S1
22
5T
45%
6
150°
30°
180°
0°
0
360°
2元
210°
330°
7π
11元
6
225°
315°
5元
7元
240%
300°
4
4
270°
4元
5π
3
3
3π
2
2
1 5
1 5
2
T
C
Quadrant III:
Quadrant IV:
3
I
Answers
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ありがとうございました!