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Question
Choose the correct alternative:
`int secx/sqrt(cos2x) "d"x` is
Options
`tan^-1 (sin x) + "c"`
`2sin^-1 (tan x) + "c"`
`tan^-1 (cos x) + "c"`
`sin^-1 (tan x) + "c"`
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Solution
`sin^-1 (tan x) + "c"`
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