Prove that (1+tano+seco)(1+coto-coseco)=2

Asked by ANKUR123 | 14th Jun, 2008, 12:48: PM

Expert Answer:

L.H.S. = (1+0+1)(1+ 1/0 -1/0) = 1+1 = 2

Answered by  | 14th Jun, 2008, 08:41: PM

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