If "sin"(2x-45^(@))="cos"x and angle x a...

If `"sin"(2x-45^(@))="cos"x` and angle x and `(2x-45^(@))` (in degree) are acute angles, then the value of cot x is:

A

A)0

B

B)`1/(2)`

C

C)1

D

D)`1/(sqrt(2))`

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The correct Answer is:

C

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