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The slope of the tangent at (x , y) to a...

The slope of the tangent at `(x , y)` to a curve passing through `(1,pi/4)` is given by `y/x-cos^2(y/x),` then the equation of the curve is

A

`y=tan^(-1) [ log(e/x)]`

B

`y=x tan^(-1) [log (x/e)]`

C

`y=x tan^(-1) [log (e/x)]`

D

None of these

Text Solution

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The correct Answer is:
C
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