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If N=(1-cos4beta)/(sec^2 2beta-1)+(1+cos...

If `N=(1-cos4beta)/(sec^2 2beta-1)+(1+cos4beta)/(cosec^2 2beta-1)` then `(log)_(0. 25)N` is equal to: `-2` (2) `-1` (3) `-1/2` (4) `1/2` (5) 0

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