szczepan
szczepan
30-03-2016
Mathematics
contestada
Sin(b) equals 1. Calculate cosinus.
Respuesta :
olemakpadu
olemakpadu
30-03-2016
sinb = 1.
sin²b + cos²b = 1
1² + cos²b = 1
cos²b = 1 - 1
cos²b = 0
cosb = √0
cosb = 0
cosine b = 0
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