Cosx-1/(1-cosx)^2=-1/1-cosxBut have written that in plus how,plz

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This question was asked in Misc 25

Cosx-1/(1-cosx)^2=-1/1-cosx

But have written that in plus how,plz

Nishkarsh Raja

Oct. 13, 2018, 8:08 a.m.

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