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What is the value of [tan (90 - A)+ cot ...

What is the value of `[tan (90 - A)+ cot (90 -A)]^2//[2 sec^2 (90 - 2A)]` ?
`[tan (90 - A)+ cot (90 -A)]^2//[2 sec^2 (90 - 2A)]`का मान क्या है?

A

0

B

1

C

2

D

`-1`

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