A) \[\cos x\]
B) \[\tan x\]
C) \[\sec x\]
D) \[\sin x\]
Correct Answer: C
Solution :
\[\frac{dy}{dx}+y\tan x=\sec x\] I.F. \[={{e}^{\int_{{}}^{{}}{\tan x\,dx}}}={{e}^{\log \sec x}}=\sec x\]You need to login to perform this action.
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