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IF ( sec A - tan A) ( sec B - tan B) ...

IF `( sec A - tan A) ( sec B - tan B) ( sec C- tan C ) =(sec A + tan A ) ( sec B + tan B ) ( secC + tan C )` then each is equal to

A

0

B

1

C

`sqrt(2)`

D

`+-1`

Text Solution

Verified by Experts

The correct Answer is:
D
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