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Total Derivative

brian bovril 904
October 26 2006
0
Hi I wonder if anyone can assist with the Maple commmand to do total derivatives. For example, tan(theta)=1/x I want to know if there is a direct command to differentiate this equation w.r.t t (time). From memory, if I input D(tan(theta)=1/x), Maple outputs: tan(theta)D(theta)=-1/x^2 Dx the correct result should be: sec^2(theta)d(theta)/dt = -1/x^2 dx/dt thanks in advance Brian
derivative

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