Math, asked by dhankateLakhivyakv, 1 year ago

lim cos2x - 1/cosx - 1

Answers

Answered by abhi178

4

lim cos2x-1/cosx-1=lim 1-cos2x/1-cosx
=lim 2sin^2(x)/2sin^2 (x/2)
=4 is answer

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