please help me Frnds find integral
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Cos2x + 2sin^2 x / cos^2 x
formula :
cos2x= cos^2x-sin^2x
then
Cos^2 x -Sin ^2 x + 2sin^2 x / cos^2 x
= Cos^2 x + Sin^2 x / Cos^2 x
= 1 / cos^2 x
= Sec^2 x
Now integration of Sec^2 x
integration of Sec^2 x dx
= tan x + C
formula :
cos2x= cos^2x-sin^2x
then
Cos^2 x -Sin ^2 x + 2sin^2 x / cos^2 x
= Cos^2 x + Sin^2 x / Cos^2 x
= 1 / cos^2 x
= Sec^2 x
Now integration of Sec^2 x
integration of Sec^2 x dx
= tan x + C
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