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If m=sinalpha+cosalpha+tanalpha+cotalpha...

If `m=sinalpha+cosalpha+tanalpha+cotalpha+secalpha+cosecalpha` and `n=sinalpha+cosalpha-tanalpha-cotalpha-secalpha-cosecalpha` then (for acute `alpha`) `(m+n-2)(m-n)` is

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