hareesh
hareesh
23-09-2016
Mathematics
contestada
what is the value ofcos pie value
Respuesta :
TSO
TSO
23-09-2016
cos(pi) =
-1
You should have this memorized along with other values such as
sin(0) = 0
cos(0) = 1
sin(pi/2) = 1
cos(pi/2) = 0
sin(pi) = 0
cos(pi) = -1
sin(3pi/2) = -1
cos(3pi/2) = 0
and remember that tan = sin/cos
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