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A: int (1)/(4+5 sinx)dx=(1)/(3)log|(2tan...

`A: int (1)/(4+5 sinx)dx=(1)/(3)log|(2tan(x//2)+1)/(2tan(x//2)+4)|+c`
R : If `0 lt a lt b`, then
`int(dx)/(a+b sin x)=(1)/(sqrt(b^(2)-a^(2)))log|(a tan (x//2)+b-sqrt(b^(2)-a^(2)))/(a tan (x//2)+b+sqrt(b^(2)-a^(2)))|+c`

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is not correct explanation of A

C

A is true R is false

D

A is false but R is true.

Text Solution

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