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Using implicit differentiation, let y equal arccos(x) : y=arccos(x). So x = cos(y), and dx/dy = -sin(y). dy/dx is therefore -1/sin(y). from trig indentities: sin(y) = sqrt(1-cos^2(y)). Substituting gives ...

Introduction: Define constitutional reform and state issues that have occured that call for constituional reform e.g. centralisation of power and the need for devloution. Position your argument --> con...

During inhalation, the diaphragm contracts to flatten and the internal intercostal muscles contract, moving the rib cage up and out. This causes an increase in thoracic cavity volume, causing the pressure...

Genetic information is stored within DNA in short sections called genes which contain the instructions needed to make a protein. DNA is a very large molecule and cannot exit the nucleus of the cell. Trans...

17=2018= 20 x 2 = 4019 = 40 x 2 =801-3/5 = 2/52/5 x 80 = 32