Seudónimo
Seudónimo
25-03-2016
Mathematics
contestada
Find the cos(19pi/6)
Respuesta :
Аноним
Аноним
25-03-2016
π=180º
Cos(19π/6)=cos(19*180º/6)=cos (570º)=cos(210º+360º)=cos(210º)=
=-cos 30º=-√3 / 2≈-0.866...
Answer:
cos(19π/6)=
-cos 30º=
-√3/2
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h + π/2 = 3π/2 Please help!
