Q27 of 31 Page 7

Find    

[CBSE 2018]

Let I =

Let sin x = t


Cos x dx = dt


∴


Consider





2 

Comparing the coefficients we get,

∴ A – B = 0, B – C = 0, A + C = 2.

A = 1, B = 1, C = 1.


∴ )dt



+

More from this chapter

All 31 →
25

Evaluate:   [CBSE 2017]

 26

Evaluate:

  [CBSE 2017]

 28

Evaluate:

OR


Evaluate:

[CBSE 2011]   

 29

Evaluate:    [CBSE 2014]