1.

(sintheta-costheta+1)/(sintheta+costheta-1) (where theta ne (pi)/(2)) is equal to

Answer»

`(1+SINTHETA)/(COSTHETA)`
`(1-sintheta)/(costheta)`
`(1-costheta)/(sintheta)`
`(1+costheta)/(sintheta)`

ANSWER :A


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