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If theta be acute angle and costheta=(...

If `theta` be acute angle and `costheta=(15)/(17)` , then the value of `cot(90^(@)-theta)` is

A

`frac(2sqrt8) (15)`

B

`frac(8)(15)`

C

`frac(sqrt2)(17)`

D

`frac(8sqrt2)(17)`

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