Choose the correct answers in Exercises 41 to 44.
Q42. is equal to
(A)
(B)
(C)
(D)
cos2x=cos2x-sin2x
let sinx+cosx=t,(cosx-sinx)dx=dt
hence the given integral can be written as
B is correct
CBSE 10th, 12th results 2024 ‘shortly’; board issues Digilocker access code for students
CBSE Class 10, 12 results 2024 likely after May 20, says result portal
CBSE Result Date 2024 after May 20 at cbse.nic.in; Know Class 10th, 12th passing marks
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