Lecture 1 Part 4 Integrals Class 12 Maths

Part - 4

Logic for this lecture: 
You can rationalise non-root functions also

Integrals Lecture 1 Part 4
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Questions Discussed in this lecture:
49. \int \frac{1}{1+\cos x}  \, dx=\tan \frac{x}{2} +C

50. \int \frac{1}{1+\sin x} \, dx =\tan x-\sec x+C

51. \int \frac{\sin x}{1+\sin x} \, dx =\sec x-\tan x+x+C

52. \int _{}^{}\frac{\cos x}{1+\cos x}  \, dx  = x-\tan \frac{x}{2} +C