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If sin theta=3//5,"where" (pi//2)lttheta...

If `sin theta=3//5,"where" (pi//2)ltthetaltpi,` `"then" : (sectheta-tantheta)/(csctheta+cottheta)`A)`-3/2` B)`2/3` C)`3/2` D)-6

A

`-3//2`

B

`2//3`

C

`3//2`

D

-6

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