Sin 30 = 1/2 cos 30 = √3/2 tg 30 √3/3
Sin45 = √2/2 cos 45 = √2/2 tg 45 = 1
Sin 60 = √3/2 cos 60 = 1/2 tg 60 = √3
???
Sin 30 = 1/2 cos 30 = √3/2 tg 30 √3/3
Sin45 = √2/2 cos 45 = √2/2 tg 45 = 1
Sin 60 = √3/2 cos 60 = 1/2 tg 60 = √3
???