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Find the power deliver to the element at t=5 ,if voltage is v=(10+5∫idt)V,where i=5cos60πt, initial time=0 ms.? The perimeter of the triangle is 90 units what is the length? What is the theoretical amount in grams of pure oxygen that could be produced by 10.0 kilograms of H2O? Please help with physics? Thank you this is all the information? Como resuelvo la siguiente identidad? cotg x / sec x = 1/sen x?