- #1
delsoo
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Homework Statement
y=ln(tan x), dy/dx=2/(sin2x) and d2y/dx2= -4(cos 2x)/(sin 2x)^2 , show that d3y/dx3 = ((4)(3+cos 4x))/(sin 2x)^3 ... i got the solution for dy/dx and d2y/dx2 but not d3y/dx3 , can anyone show me how to get d3y/dx3 please? Thanks in advance!
Homework Equations
The Attempt at a Solution
https://www.flickr.com/photos/123101228@N03/13824984513/ (working)