show that the equation of the straight l...

show that the equation of the straight line through the origin making angle `phi` with the line `y=mx+b`

A

`y/x=(m-tan phi)/(1-, tan phi)`

B

`x/y=(m+tan phi)/(1-mtan phi)`

C

`y/x=(mpm tan phi)/(1pmm tan phi)`

D

`y/x=(m+tan phi)/(1+m tan phi)`

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The correct Answer is:

C

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