Q. 34.2( 5 Votes )

Differentiate each of the following w.r.t. x:

tan 3x

Answer :

Formulae :




Let,


y = tan 3x


and u = 3x


therefore, y= tan u


Differentiating above equation w.r.t. x,


………… By chain rule



………….


= sec2 3x . 3


= 3 sec2 3x


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