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Evaluate : int ( " 4+3 sin x ")/(" cos"...

Evaluate : ` int ( " 4+3 sin x ")/(" cos"^(2) x) " dx "`

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`int (" 4+3 sin x ")/(" cos"^(2) x) " dx "`
`=int ((4)/(" cos"^(2))+(" 3sin x")/(" cos"^(2) x)) " dx "`
`=4int " sec"^(2) x dx + int " tan x . sec x dx "`
`=4. " tan x + 3 sec x+ c"`
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