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How does the Dinosaurs Man knows how dinosours behave? Does it really matter what shape the Earth is? ***URGENT****PROVE THE IDENTITY
sin(theta)/1-cos(theta)=cot(theta) + csc(theta) *I keep getting cos(theta)+1/sin(theta) instead of minus -1? Where is the authorised Microwave Oven Service Center in Hyderabad? How many grams of NH4Cl must be added to 0.100 L of 0.441 M NH3 to produce a buffer solution with pH= 9.38 ? pKa (NH4Cl) = 9.24?