If tantheta=(xsinvarphi)/(1-xcosvarphi)...

If `tantheta=(xsinvarphi)/(1-xcosvarphi)andtanvarphi=(ysintheta)/(1-ycostheta)` then `(x)/(y)=`

A

`(sinvarphi)/(sintheta)`

B

`(sintheta)/(sinvarphi)`

C

`(sinvarphi)/(1-costheta)`

D

`(sintheta)/(1-cosvarphi)`

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The correct Answer is:

B

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