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Razones trigonométricas
Autor :
CARMEN ROSA GOMEZ RAVELLO
1.
cos 210 =
A.
cos 30
B.
- cos 30
C.
- sen 60
D.
- cos 60
2.
sen 300 =
A.
sen 30
B.
-cos 30
C.
-sen 60
D.
cos 30
3.
sen 150 =
A.
sen 30
B.
- sen 30
C.
cos 60
D.
cos 30
4.
tg 135 =
A.
cotg 45
B.
- tg 45
C.
tg 45
D.
- cotg 45
5.
tg 240 =
A.
- tg 60
B.
cotg 60
C.
tg 60
D.
cotg 30
