Tabel de Valori rice
2
TABEL DE VALORI PENTRU: sin , cos , tg , ctg sin 2 u + cos 2 u = 1 u 0 30 0 45 0 60 0 90 0 si n 1 2 √2 2 √3 2 1 co s √3 2 √2 2 1 2 0 tg √3 3 1 √3 ct g √3 1 √3 3 0
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Transcript of Tabel de Valori rice
TABEL DE VALORI PENTRU:sin , cos , tg , ctg
sin2u + cos2u = 1
u0 300 450 600 900
sin12
√22
√32
1
cos √32
√2 2
1 2
0
tg √3 3
1 √3
ctg √3 1 √3 3
0
sin(900-u0)=cos u0 tg(900-u0)=ctg u0
cos(900-u0)=sin u0 ctg(900-u0)=tg u0