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Which of the following satisfy differential equation $(1- \sin x) ^2 y''=\cos x$

$(a)\;y= \sec x +\tan x \\ (b)\;y= \sec x-\cos x \\ (c)\;y= \sin x- \cos x \\ (d)\;y= \sec x- \cos x $

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Differentiate all the options and check the right one.
Hence the correct one is $y= \sec x +\tan x$
Hence a is the correct answer.
answered Feb 7, 2014 by meena.p

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