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If y=2cos(x/2) then d^2y/dx^2 =
4 months ago
Q:
if y=2cos(x/2) then d^2y/dx^2 =
Accepted Solution
A:
We first need dy/dx.
dy/dx = -2sin(x/2)(1/2)
dy/dx = -sin(x/2)
We now find d^2y/dx^2.
d^2y/dx^2 = -cos(x/2)(1/2)
d^2y/dx^2 = -(1/2)cos(x/2)