Question

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Answer 1

Answer:

Y=1/2 log (2sin^2 x/2cos^2 x)

=1/2log(tan^2 x)

=1/2log (tan ^2 x) =log(tan x)

dy/dx=(1/tan x). (sec^2 x) =1/sinx cos x

=2/2sin x cos x=2/sin2x=cosec 2x

Answer 2

Answer:

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