Q. 55.0( 7 Votes )

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


Answer :

Formulae :


y = cot2 x

and u = cot x

therefore, y= u2

Differentiating above equation w.r.t. x,

………… By chain rule


= 2 cot x .(- cosec2 x)

= - 2cot x . cosec2 x

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