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(1-tan^(2)45^(@))/(1+tan^(2)45^(@))=...

`(1-tan^(2)45^(@))/(1+tan^(2)45^(@))=`

A

`tan90^(@)`

B

1

C

`sin45^(@)`

D

0

Text Solution

Verified by Experts

The correct Answer is:
D
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