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A: int (1)/(3+2 cos x)dx=(2)/(sqrt(5))"T...

A: `int (1)/(3+2 cos x)dx=(2)/(sqrt(5))"Tan"^(-1)((1)/(sqrt(5))"tan" (x)/(2))+c`
R: If `a gt b` then `int (dx)/(a+b cosx)=(2)/(sqrt(a^(2)-b^(2)))Tan^(-1)[(sqrt(a-b))/(a+b)"tan"(x)/(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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