Evaluate the integerals. int (dx)/(a...

Evaluate the integerals.
`int (dx)/(a ^(2) sin ^(2) x+b^(2) cos ^(2)x) on R, a ne 0, b ne0.`

A

`1/(ab) tan^(-1)(a tanx)/b +c`

B

`tan^(-1)(a tanx)/b+c`

C

`1/(ab) tan^(-1)(b tanx)/a+c`

D

`tan^(-1)(b tanx)/a +c`

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The correct Answer is:

A

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