simplify: sinA(1+CosA)+CosA(1+sinA)
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All ogen B) Hydrogen C) During the preparation of oxygen a black coloured substance is used, Identify the substance and its function. A) MgO, it lowers the temperature at which oxygen is given off B) Mno, it increases the temperature at which oxygen is given off C) Mno, it decreases the temperature at which oxygen is given off D) Mnog, it decreases the temperature at which oxygen is given off 21. CX. +20
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